How to grow weed outdoors: an intro to outdoor cannabis cultivation Outdoor cultivators take what Mother Nature gives them and turn it into the best possible harvest. Many cannabis consumers Growing marijuana outdoors produces a higher yield, gives your buds a unique flavor, and it's far less energy-intensive than using indoor grow lights. Outdoor cannabis plants can grow up to tall and produce of quality weed per plant–and… Outdoor cannabis growing has become a popular way to grow your own cannabis easily. But how to harvest cannabis, when and what's best to do?
How to grow weed outdoors: an intro to outdoor cannabis cultivation
Outdoor cultivators take what Mother Nature gives them and turn it into the best possible harvest. Many cannabis consumers prefer marijuana grown outdoors under the full spectrum of natural sunlight. That unique spectrum creates a greater variance of cannabinoids and terpenes than artificial lighting.
Cannabis has been cultivated outdoors for thousands of years, but before you go putting a seedling in the ground, it’s best to know how the process works and how to make the most of Mother Nature’s gifts. You should also have some idea of how to handle those unwanted gifts you’d rather return — pests and weeds.
How to grow marijuana outdoors
To grow cannabis outdoors, the bare minimum required is basic gardening tools, soil, water, and a spot in your backyard that receives ample sunlight.
Using Mother Nature to cultivate cannabis
Cannabis is a hardy plant that has adapted to climates all over the world. From the cool and arid mountains of Afghanistan to the humid regions of Colombia, over time the plant has been forced to adapt its defenses against a host of problems. But cannabis is still susceptible to extreme weather conditions. Whether it is heavy winds breaking branches or excessive rain causing mold, the great outdoors presents challenges to growers that can be mitigated with sufficient planning.
Becoming intimately familiar with your local climate and seasons is one of the most important steps in producing high-quality outdoor marijuana. Before you grow, you’ll need to know the ideal temperature your plants require in order to thrive, the best site, optimal timing of planting and harvesting, and the season’s photoperiod — the amount and intensity of light available through the duration of the growing season.
Some cannabis genetics have adapted to specific climates and are capable of growing more easily in certain conditions than others, so pay very close attention to the cultivars, or strains, that you choose. A little research will go a long way in ensuring you have a successful harvest.
While cultivars may vary, here are some general rules that will be useful no matter which one you choose.
Daytime temperatures between 75 and 85 degrees Fahrenheit (23.9 to 25.4 degrees Celsius) are ideal for cannabis, while temperatures above 88 degrees Fahrenheit (31.1 degrees Celsius) or below 60 degrees Fahrenheit (15.6 degrees Celsius) can delay growth. Cannabis is considered heat-tolerant, but sustained highs and extreme lows will usually lead to complications that could eventually kill your plants.
In the Northern Hemisphere, cannabis can be planted in early to mid-spring and harvested in mid-fall, depending on the cultivar. In the Southern Hemisphere, the growing season will be reversed with planting in early to mid-fall and harvesting in the middle of spring.
During the first half of the season, the daytime period increases until the summer solstice, which occurs in the Northern Hemisphere on or around June 21 and in the Southern Hemisphere on or around December 21. While the daylight hours increase, the plant’s vegetative stage takes place. During vegetation, the plant will develop the roots and stems that will serve as the foundation for growth until flowering.
After the solstice, the available daylight hours decrease, allowing the plant to naturally transition into the flowering period. Cannabis is a short-day plant, meaning it will begin to flower as the nights get longer and the hours of sunlight decrease.
Most cultivars will begin to flower once they receive fewer than 15 hours of sunlight per day. The latitude of your garden has a direct impact on how many hours a day your plants receive light.
Plan to put plants in the ground based on the temperature, season, and light where you live so your cannabis plants have time to finish flowering before cold, rainy weather sets in.
Choosing the best site for outdoor cannabis
Determining the optimum location is another important factor that can affect the yield and quality of your plants. Cultivators in the Northern Hemisphere should attempt to place their plants in an area with southern exposure to ensure their plants are getting the most available sunlight. The opposite is true for the Southern Hemisphere.
When possible, use natural structures and formations in your garden as windbreaks to prevent excessive stress on your plants that could lead to branches breaking.
If you live in a climate with exceptionally hot and sunny days, use shade cloth to prevent your plants from overheating. In cold areas, natural enclosures and cement or brick walls can be used to help retain any available heat and keep your plants warm.
Depending on your location, you may need to plan for rain. In most regions, the rainy season is typically aligned with the end of the flowering stage and the start of the harvesting period, but this may not always be the case. Rain can be detrimental to an outdoor flowering crop so being prepared to cover or move plants can help ensure a successful harvest. If it does rain on your plants, make sure to immediately shake off any excess water, as lingering moisture can lead to the formation of mold and nobody likes moldy weed.
Planning your garden
Seeds vs. clones
Deciding whether to start with seeds or clones will change the timing and manner by which your plants are introduced to the outdoors.
Plants grown from seeds are typically heartier and more vigorous than clones, as they produce a sturdier taproot that clones are not able to replicate. The vigor that comes from deep roots can be an advantage when dealing with harsh environmental conditions and pest pressures. The disadvantages of growing seeds are the additional attention required to germinate the seeds, the necessity to eliminate any males before they pollinate the females, and the high variability in growth characteristics that results from their genes.
Plants grown from seeds are typically heartier and more vigorous than clones, as they produce a sturdier taproot that clones are not able to replicate. Photo by: Gina Coleman/Weedmaps
If you decide to use seeds, make sure you start them about a month before you would typically start clones to give them time to germinate and adequately develop their taproot.
There are also many advantages and disadvantages of using clones. They can often be found at your local dispensary, are from a proven genetic lineage, and typically do well outdoors, making them the perfect choice for inexperienced growers. On the other hand, clones develop a fibrous root system, as opposed to the deep taproots that seeds develop. Fibrous root systems can reduce the plant’s ability to deal with environmental stress and predatory insects.
Whether using seeds or clones, many cultivators start growing their plants indoors to ensure they are not exposed to damaging weather conditions as they develop their initial root system. The plants can be transitioned outdoors when the weather and light conditions are ideal. Extending the indoor vegetative growth period can help increase yields and allow growers time to select the best plants to be moved outdoors.
Quality soil should be dark, rich in nutrients, and have a light and fluffy texture. The structure of your soil should be capable of retaining water but also allow for drainage of any excess. Organic potting soil blends from your local garden center will do just fine, but more advanced growers prefer to blend their own organic super soil from scratch. The soil itself should be slightly acidic with a pH of around 6. This can be tested with a soil pH meter or test kit.
Container gardens can be convenient as they can be moved around the garden to maximize sunlight or protect them from harsh conditions Photo by: Gina Coleman/Weedmaps
Containers vs. in-ground
Container gardens can be convenient as plants can be moved around the garden to maximize sunlight or protect them from harsh conditions such as rain, heavy winds, or extreme temperatures.
Avoid clay pots as they can be costly, heavy, and retain heat that could dry out the plant’s soil and roots. Fabric pots are the least expensive and most effective solution, as they allow for ample drainage and plenty of oxygen to get to the roots. Plastic containers are also light and inexpensive but tend to retain more heat than fabric pots. Flowering plants need a container that is at least 5 gallons (18.9 liters) to prevent them from outgrowing their containers and becoming rootbound.
Planting directly into the ground or a raised bed requires a bit more preparation but has its benefits as well. Without a container to restrict growth, roots can grow deep and thick to support a strong plant. The added surface area also allows the plant to access a greater quantity of nutrients and water in the soil, compared with a container garden. The major downside is that the plants cannot be moved and could require additional structures to protect them in the case of extreme weather.
Cannabis requires more nutrients than many of the other plants you may have in your garden. Quality soil contains enough organic nutrients to start the growth cycle, but as your cannabis plant grows and transitions into flowering, it may deplete the available nutrients and require additional fertilizers.
The three primary nutrients required for cultivating marijuana are nitrogen, phosphorus, and potassium.
During the vegetative phase, plants need more nitrogen in order to create the roots and leaves that serve as the base for flowering. During the start of the flowering cycle, the plants will require more phosphorus and potassium than nitrogen. Towards the end of the flowering cycle, once the majority of the nitrogen has been depleted, the plants will focus their attention on using the remaining nutrients. The lack of nitrogen is largely responsible for the vibrant purple and orange hues that can be seen on large fan leaves and throughout the plants’ colas.
Avoid all-in-one fertilizers as they can be too high in nitrogen for the flowering cycle and damage any beneficial microorganisms that may be present in the soil. Instead, choose a line of nutrients created specifically for cannabis, and use its suggested feeding charts to avoid over- or under-feeding. Organic sources of nutrients are best, as they are a great source of beneficial microbes, but they may take longer to break down and become available to the plant. Both types of nutrients can be found in dry, pre-blended powders or liquid emulsions, but can also be made from scratch with the right ingredients. Organic compost tea, which includes nutrient-rich ingredients, like molasses and earthworm casting compost, is a popular homemade brew for cannabis farmers.
Organic sources of nutrients include alfalfa meal, bone meal, kelp meal, bat guano, fish emulsion, dolomite, and earthworm castings. Each contains different ratios of nutrients that can be used for different phases of the plants’ growth cycle.
The amount of water a plant needs largely depends on its size, the size of its container, the soil type, and general environmental conditions such as the weather and the intensity of the sun. Larger plants in warmer environments tend to use more water than smaller plants in cooler weather. The amount of water needed will change throughout a plant’s life cycle.
During the vegetative stage, water your plants thoroughly, then not again until the top 1 inch (2.54 centimeters) of soil has dried out. This can be every day or every four days, depending on conditions, but the time between watering will become shorter as the plant grows its roots. Container gardens tend to dry out faster than soil beds, so they’ll need to be watered more frequently.
Wilting plants and dry soil are a direct sign that plants need water. Droopy leaves along with wet soil are a sign of overwatering. Both are common mistakes and can be avoided with some practice.
For a small garden, hand-watering is the easiest, cheapest way to go. It also allows you to get familiar with each cultivar’s needs, and gives each plant the exact amount of water it requires. Irrigation systems can be convenient for a large number of plants or for times when you cannot be in your garden.
Pest and weed control
Pests and wild plants are an inevitable occurrence when cultivating cannabis outdoors. Most issues can be avoided with proper planning. Clearing a buffer area around your plants can go a long way, but your first line of defense is a healthy plant that can defend itself naturally.
Pests come in many forms, from large deer and gophers to small slugs and spider mites. Larger animals and pets can be kept out of the garden with fencing, while gopher wire beneath your soil beds can keep rats and gophers from eating the plants’ roots. Weeds will not damage cannabis, but they will compete for the nutrients in the soil and reduce the quality and yield of your crops. A light layer of mulch on top of your soil can prevent weeds from sprouting in the middle of your plants’ cycle.
Avoid spraying synthetic insecticides on your cannabis plants as further research is needed to determine the health effects of smoking plants treated with synthetic chemicals. Organic pesticide and insecticide solutions can be effective if used properly. If you can avoid it, it is always best to not spray anything on your plants while they are flowering.
Beneficial insects, fungi, and bacteria can also be used to protect your plants from their parasitic or predatory counterparts. Jumping spiders, ladybugs, and other native, beneficial predatory insects can clear your crop of insects such as aphids and whiteflies. When sourcing beneficial insects, fungi, or bacteria, it’s important to research those which are native to your region.
Even if it is legal to grow cannabis outdoors where you live, you should still take some precautions to hide the plants from public view. And it’s often required by law. You can grow your cannabis plants among other plants in your garden to hide them in plain sight. Cannabis can easily grow taller than your average fence, though. Training techniques can help keep your plants shorter. The fewer people who know you are growing cannabis, the better. The ideal situation is to have your grow tucked away on a piece of land where your plants can truly flourish away from prying eyes and nosy neighbors.
Greenhouses can be a great middle ground between the complexities of an indoor setup and the uncertainty of growing outdoors. They provide ample protection from the elements and use far fewer resources than an indoor grow. Greenhouses can be more costly than an outdoor garden and require more planning, but they also allow you to extend the growing season considerably.
Greenhouses also offer growers the ability to harvest more than once per year, if they are equipped with a light deprivation system. These systems allow growers to control the hours of sunlight their plants receive, much like turning lights on and off in an indoor garden, by covering the greenhouse with a black tarp that deprives the plants of sunlight.
Greenhouse structures range from inexpensive polyvinyl chloride (PVC) tubes, often called “hoop houses,” to highly engineered, fully automated, and purpose-built steel greenhouses. Due to their efficiency, greenhouses are quickly becoming the preferred growing method for many large-scale cultivators.
Final thoughts on successfully growing cannabis outdoors
Keep this info in mind as you embark on your cannabis-growing adventure. The smallest adjustments can make all the difference — planting a week earlier, a week later, watering less, watering more, etc.
Quality soil is crucial to the success of your crop and one of the few factors that you have control over when growing outdoors.
Timing is key. A short vegetative phase can cause cannabis plants to flower early, while a long vegetative phase can prevent your plants from finishing their flowering cycle if the weather takes a turn for the worse. The Farmer’s Almanac is a reliable source for planning around the seasons and preparing your crop for success.
Practice makes perfect, so always keep a grow journal and make sure to record any mistakes and wins along the way. Maintaining a record can help ensure you will have successful future harvests.
How to Grow Cannabis Outdoors
This article was co-authored by Jamie Corroon, ND, MPH. Dr. Jamie Corroon, ND, MPH is the founder and Medical Director of the Center for Medical Cannabis Education. Dr. Corroon is a licensed Naturopathic Doctor and clinical researcher. In addition to clinical practice, Dr. Corroon advises dietary supplement and cannabis companies regarding science, regulation, and product development. He is well published in the peer-review literature, with recent publications that investigate the clinical and public health implications of the broadening acceptance of cannabis in society. He earned a Masters in Public Health (MPH) in Epidemiology from San Diego State University. He also earned a Doctor of Naturopathic Medicine degree from Bastyr University, subsequently completed two years of residency at the Bastyr Center for Natural Health, and is a former adjunct professor at Bastyr University California.
There are 20 references cited in this article, which can be found at the bottom of the page.
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Growing marijuana outdoors produces a higher yield, gives your buds a unique flavor, and it’s far less energy-intensive than using indoor grow lights. Outdoor cannabis plants can grow up to 14 feet (4.3 m) tall and produce 4–8 pounds (1.8–3.6 kg) of quality weed per plant–and it’s not rocket science to grow cannabis outdoors. We’ve put together a comprehensive guide to tell you everything you need to know about picking a location, germinating marijuana seeds, and maintaining your crop to get the highest possible cannabis yield.
How to harvest cannabis, dry and cure your outdoor crop
Growing cannabis outdoors is perhaps the lowest cost way to grow your own. All you need is a few good quality outdoor cannabis seeds and a sunny, sheltered spot with reasonable quality soil. You can always supplement the soil with additional high quality compost and fertiliser if necessary.
You don’t need to live in a warm, tropical climate to be able to grow great quality outdoor cannabis. High quality autoflower seeds can grow from seed to harvest in around 100 days outdoors (they are even faster indoors). Even those with short summers can find a good 3-month window to grow and harvest some autoflower seeds outdoors. But what are the best ways to harvest, dry and cure outdoor grown cannabis? Read on for some expert tips and advice.
Harvesting advantages of autoflowers grown outdoors
Growing autoflower seeds offers some tremendous advantages to the outdoor grower. Autoflowers have earned a solid reputation for being easy and convenient to grow. With their fast life cycle and short size they are a fast way to grow plants which will hide easily behind other plants and shrubs.
- Autoflowers grow from seed to harvest in around 100 days outdoors. That’s much faster than photoperiod outdoor strains and ideal for those with short growing seasons.
- Autoflower seeds tend to produce short, stocky plants which are around 1m tall. These are much easier to hide than 3-4m monster plants grown from photoperiod outdoor feminised seeds.
- Autoflower seeds are easy to grow with little maintenance required. If you choose a sunny location with good quality, moist soil you can expect a straightforward grow with little effort.
Harvesting advantages of photoperiod feminised strains grown outdoors
Your other main option for outdoor cannabis growing are feminised photoperiod cannabis seeds. Unlike autoflower seeds, you won’t be able to grow these in short 100-day summers. You will typically need 5 months or so to grow these larger plants. But harvests can be huge. Yields of well over 1Kg from a 3m tall specimen are quite possible.
If you enjoy a reasonably long growing season you will be able to harvest your outdoor photoperiod cannabis plant before the worst of the late-season weather arrives. For some outdoor cannabis growers, feminised photoperiod cannabis seeds are the preferred choice.
- For the largest harvests, outdoor cannabis seeds with photoperiod genetics are the best choice.
- Plants can be 3-4m tall and just as wide in optimum conditions. However, for some growers such large plants can present security/risk issues and are difficult to hide.
- You need to ensure that your preferred outdoor photoperiod strain is able to complete the bloom cycle before the growing season ends.
One other advantage of growing photoperiod feminised seeds is that they may be able to recover somewhat more easily from a pest attack or accident than an autoflower.
Autoflowers have a fixed life cycle outdoors, usually around 100 days. If an autoflower plant suffers any kind of grow incident/accident in its prime, it may not have the time to recover from it. A photoperiod plant, with a longer growth phase before bloom, may be able to recover slightly better when it comes to dealing with attacks from slugs, rabbits or other pests.
When to harvest outdoor cannabis, autoflower seeds vs photoperiod feminised seeds
In general, autoflowers take around 100 days from seed to harvest outdoors (indoors, with optimised conditions they often take nearer to 75 days). This means that growers in warm climates can get 2 (or even 3) successive outdoor autoflower harvests per year. That’s one of the reasons autoflower seeds have become so popular with outdoor growers.
Outdoor feminised seeds often have a 5-6 month life cycle. That’s longer than the life cycle of an autoflower, but the grower is usually compensated by heavier harvests than those produced from smaller autoflower plants. However, unless you live close to equatorial latitudes, you will only be able to grow one outdoor photoperiod crop per year.
Note that some growers of photoperiod feminised seeds can artificially force extra productivity from their plants if they grow in greenhouses equipped with blackout blinds. This can allow growers to ‘force’ an early bloom and create quicker harvest cycles by creating 12/12 light conditions manually. Some balcony growers also use this technique.
When to harvest outdoor cannabis according to trichome appearance
Many growers will examine the colour of the trichome resin glands and monitor the transition from clear, to cloudy to amber. This technique works well for both autoflower strains and traditional photoperiod outdoor strains.
Many growers buy an small magnifying glass (sometimes known as a jewellers loupe) to make accurate close-up judgements on the trichome appearance. You can also buy a sophisticated digital microscope which will also do a great job at showing trichome appearance.
Cannabis harvested with clear, colourless trichomes tends to have a lively, uplifting and energetic high. However, THC levels may not have quite peaked and the buds may not have finished growing. Most outdoor growers prefer to wait a little longer as this tends to give heavier harvests and slightly stronger weed.
Waiting until the clear trichomes are transitioning to cloudy/milky allows your buds to pack on more weight. It also allows THC content and resin coverage to increase, meaning stronger buds. Many growers like to harvest their cannabis when the trichomes are mostly cloudy. You may notice that a few trichomes are starting to show some amber colour at this point.
Leave your buds another week or two and you will notice more and more of the trichomes have transitioned from cloudy/milky to amber or red. Some growers prefer to harvest at this point, feeling that their cannabis has more of a narcotic, heavy effect. Many consider that a majority of red trichomes represents a somewhat over-ripe crop. But some growers prefer it that way e.g. medical marijuana growers who want a strong body effect with good sleep inducing qualities.
When to harvest outdoor cannabis according to pistil (hair) colour
As well as considering the appearance of the trichomes, many cannabis growers also monitor the colour of the pistils. These are the hairs which come out of the buds. Initially the pistils tend to be white. As they start turning increasingly brown it is an indicator that the plant is approaching harvest.
50% brown pistils
Cannabis is approaching harvest, though with many pistils still white in colour growers will often wait a little longer until they harvest.
70% brown pistils
At this point the majority, but not all, pistils are brown. For many growers this represents a good harvest point.
80-90%+ brown pistils
For some growers this would represent a mature cannabis crop with heavier, narcotic effects. Although some growers might consider such buds to be a little over-ripe, there are plenty of growers who consider the extra bloom time well worth the wait. But it’s worth saying that we all have a unique endo cannabinoid system that responds differently to cannabis.
One of the great joys of growing your own cannabis seeds is that you (not an unknown grower/dealer) decide precisely when to harvest the cannabis in order to deliver maximum personal satisfaction. Some cannabis users have strong preferences for specific strains which have been grown to a perfect ripeness level for them.
100% brown pistils
Most growers would consider a crop to be over-ripe if all the pistils are brown, but there are a minority of growers who would disagree.
The next time you grow some cannabis seeds, try taking (and drying) buds at different ripeness levels and comparing the high/effects from them. You may be surprised to find you have a clear preference which influences your harvest timings for future cannabis crops.
When to harvest your outdoor crop according to sativa vs indica genetics
If you know the cannabis genetics contained in your strains it will help you estimate the approximate harvest time. Much depends on the latitude that you are growing at as well as the specific climatic conditions experienced during your grow. But in general, indica genetics tend to reach maturity faster than sativa or haze genetics.
In the northern hemisphere, late blooming Haze varieties may not be ready to harvest until late November. For northern European growers that is simply too late for outdoor growing. Knowing which outdoor strains will grow well in your conditions is part of the skill of the experienced outdoor cannabis grower.
Drying cannabis buds grown outdoors
Drying your outdoor grown cannabis plants requires careful planning. If you plan to dry them outdoors you will need a warm and dry climate, though this can be difficult to guarantee around fall/autumn as the weather often turns cooler and wetter. That’s why many outdoor growers invest in some specialist drying equipment at home.
If you are growing cannabis outdoors in the hills and countryside you will probably be used to chopping down the plants and putting the heaviest branches and buds in large sealed bags to transport home. This can be a nervous journey since the freshly harvested weed can have a powerful odour. Stick to the speed limits and don’t attract attention on the drive home!
Once the buds and branches are at home you can begin the process of drying them. Even if you never grow cannabis indoors, many outdoor growers buy a small tent and some drying racks to dry their buds in. Some people hang the larger branches from clothes hangers or a piece of cord suspended across the top of the grow tent. You will need an extraction fan and a carbon filter to eliminate the smell. Drying an outdoor cannabis harvest without odour protection is always tremendously risky when others live nearby.
Often the buds will take around a week to dry. One drying tip is to start at 60% humidity for the first few days, slowly working your way down to 55% again for a few days. After 7-10 (max) days you may wish to set your dehumidifier to 50% to dry the buds a little further.
As soon as the branches start to snap (or almost snap) you can be sure that the buds on those branches are just about ready to be put into your curing jars. Be aware that the larger buds/blooms can take a day or two longer to dry.
Buds that are bright green at harvest often fade to a paler, less vivid appearance after drying. Often, you may notice brown colourations and perhaps even some blue or red hues as drying/curing progresses.
Trimming cannabis buds grown outdoors
Some growers don’t mind waiting until the buds are dry before trimming off the excess leaf material. Usually, after around a week of drying the buds are considered dry enough to think about jarring and curing. This is usually around the time that the branches have dried sufficiently to snap. The only problem with waiting until the buds are dry is that you may lose some of the trichomes when trimming dry buds.
For that reason, many growers prefer to try to trim the buds when freshly picked, or shortly afterwards. Some rubber gloves help keep your fingers clean, and a good pair of scissors (or trimming scissors) is highly recommended. From time to time, you may need to scrape the scissor hash off the blades to save for a post-harvest celebration smoke/vape. The trimmed leaf material can be frozen and used to make hashish or cannabis concentrates.
Curing and storing your outdoor cannabis crop
Curing and storing your outdoor grown cannabis buds is exactly the same process as that used for indoor cannabis harvests. If you have dried your cannabis well (without over-drying it and losing your delicious terpenes) you are ready to cure your buds.
Curing is the slow process of slowly removing the last remnants of moisture while allowing the buds to reach a state of preservation where they will last for months, or years. During this process the aroma can intensify to produce quite breathtaking flavours and aromas. A great terpene profile not only makes your buds taste delicious, they may also modulate the type of high you experience.
As the cannabis buds reach the curing stage they have lost most, but not all, of their moisture. The final curing stage is the last, and perhaps the most important part for the connoisseur cannabis lover. Growers often use glass jars. Plastic containers are less desirable since they can be softened or discoloured by the sticky resin. The well trimmed buds are placed in the glass jars leaving a centimetre or two at the top of the jar. The jars are sealed, and left in the dark.
The jars are then unsealed occasionally, once or twice a day, to allow any moisture to be released. Some people call this ‘burping’ the jars. Two or three weeks is considered a minimum cure time. Many connoisseurs prefer to wait longer, feeling that curing is complete after around 1-2 months. The cured buds will vape with a clean flavor, without a ‘chlorophyll’ taste.
Once your buds are fully cured you may prefer to store them in a freezer to fully preserve potency and ensure no degradation. Never store your buds in a high temperature environment (e.g. a hot loft space) if you want the best long term storage.
Fine control of the cannabis curing process with Boveda or Integra humidity sachets
You bought the best cannabis seeds and you grew them to the best of your ability. The last thing you want is to open your jars to find that the buds are mouldy because they were insufficiently dry.
Likewise, you don’t want to open your jar of precious buds and find that they are just too dry and crispy, with poor taste and aroma. This can feel like the buds are low quality and too old with a harsh effect when vaped/smoked.
When you open your jars you want to see and smell premium quality buds, with optimized potency, a well cured aroma and a delicious taste. One way to help achieve this is with humidity control sachets from companies like Boveda or Integra.
These sachets release moisture if your buds are too dry, or they absorb moisture if the buds are damp. You can select different products from these companies. From Boveda we recommend the “58% Humidity” sachets. From Integra we recommend the “55% humidity” packs.
Frequently asked questions about harvesting cannabis
If you have never grown cannabis outdoors then it’s something you may want to try. The costs of growing outdoor cannabis are far lower than indoor grown cannabis. You won’t need a grow light, you won’t need to pay for energy costs either. If you are worried about your carbon footprint, then outdoor growing holds a lot of attractions. Even growers at extreme northern and southern latitudes are able to grow autoflower seeds outdoors in short summers.
Do environmental factors affect the cannabis grow season?
Growing and harvesting outdoor grown cannabis really is enjoyable and rewarding fun. Understanding your own climate, the onset of spring and fall/autumn is an important starting point. Environmental factors play a large part in determining which strains will best suit you. You need to select the best cannabis seeds for your own requirements and climate.
Many outdoor cannabis growers grow both autoflower seeds as well as outdoor feminised photoperiod cannabis seeds. The grower can usually rely on their autoflower plants finishing in time even if stormy fall/autumn weather arrives early and damages the photoperiod cannabis harvest.
Daylight hours and outdoor cannabis flowering
Indoors growers use a 12/12 light schedule to artificially induce bloom. But outdoors the plants go into flowering a considerable time before 12/12 outdoor light conditions are reached. Precise timings for bloom can of course be vary from strain to strain. But most of them are triggered to start flowering when daylight hours drop to around 14 hours per day and below.
In the northern hemisphere at Amsterdam latitude there are around 16-17 hours of daylight at the peak of summer. In the northern hemisphere, outdoor cannabis plants usually start preparing to flower in August when daylight hours are quickly diminishing.
Between 10 – 25 August daylight hours start to decline from 15hrs per day to 14hrs. This is often the period outdoor plants start preparing to go into flowering. 12/12 outdoor light conditions are seen around 25 September at Amsterdam latitude. Around 25th October there are only around 10 hours of daylight. This (or before) is usually the date that most outdoor strains are harvested.
You will need to know the average last frost date for your region and be careful to put your seedlings/plants outside after that date.
Some growers will germinate their cannabis seeds indoors and grow them under indoor lights for a few weeks to give them the best possible start before planting them outdoors, after the last frost. The best outdoor cannabis growers will gradually ‘harden’ their seedlings by exposing them increasingly to outdoor conditions before they are finally transplanted outdoors.
The seedlings will need to be protected with slug/snail pellets. Some growers also surround their grow location with thorny brambles to give further protection from animals such as deer, goats and rabbits.
If the soil quality is poor, it can be easily improved with high quality compost from the garden centre. This will help improve the quality of your outdoor cannabis harvest. Once the plants are settled in their final grow position you can let them do the rest of the work. Just protect them from thieves and wild animals. In times of drought you may need to transport water to the grow site, but other than that there will be little to do.
Is there an optimal time to harvest your plants?
In an ideal world, you will know your own preferences for early vs late harvested cannabis. And with a little experience you will soon feel quite confident about judging cannabis ripeness from trichome appearance or pistil appearance. But the astute outdoor cannabis grower also has to consider the local weather patterns and plan ahead carefully.
If winter storms are due earlier than normal then it makes sense to harvest your plants early rather than allow them to get battered by bad weather. If you cannot be certain of the onset of winter weather, then it may be worth considering growing autoflower seeds rather than relying completely on photoperiod outdoor strains.
Some outdoor cannabis growers feel that growing their plants under natural sunlight gives the buds an extra ‘kick’, delivering a particularly satisfying high. Outdoor grown cannabis is certainly cheaper to grow with no energy costs. It can also be great fun finding an outdoor grow location and watching your cannabis seeds grow into healthy, heavy yielding plants. However you go about it, enjoy your outdoor growing and good luck!
6 Comments . Leave new
Generally your guides are good, so thanks. But this one on drying is not comprehensive enough. For instance, how do I dry the plants? If outside is it best to hang the whole plant upside down from a tree so the wind and the sun dry it with little risk of mould or do you strip all the good bits from the plants, discarding the trunk and branches and just dry the flowers/leaves in some other way?
Indeed you are right, this blog is not that extensive. Here you can check out an updated document about drying and curing https://dutch-passion.com/en/blog/the-best-way-to-dry-and-cure-cannabis-n918
Growing 3 plants 8 to 10 ft. Fertilized with raw fish only. My plants are as wide as high! I’need 2 strong men to pull them by the roots, hose the dirt off w
ith warm water then hang whole plants by their roots for six weeks in dark un-heated garage. What say you.