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Buy cannabis seeds – the VERY BEST Californian genetics! SAFE and DISCREET shipping ✓ We ship to the UK and Canada – FREE seeds with your purchase Semillas de Cannabis: Compra Semillas de Cannabis Online. Oferta especial 3+1, 5+2 Entrega gratuita en 24/48 horas. Con cada compra, un regalo The fate of weed seeds in the soil has been an area of much research in recent years. Most studies have focused on the seeds that successfully produce seedlings since these are the seeds that cause immediate problems for farmers. In most studies, annual emergence typically accounts for 1 to 30% of the weed seed in the soil. Thus, the majority of seeds found in the soil seed bank fail to produce seedlings in any given year.

Cannabis Seeds

Buy cannabis seeds (feminized, regular, autoflowering and CBD-rich) at our user-friendly Humboldt Seed Organization online store and enjoy seeds of superior quality at competitive prices. Our Californian genetics offer such excellent crops that no wonder they are so loved and highly regarded by the entire cannabis field. See more >

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Cannabis Seeds

How to buy cannabis seeds with guaranteed quality

Humboldt Seed Organization puts at everyone’s disposal a highly interesting and reliable variety of cannabis strains derived from elite Californian genetics. Connoisseurs itching to make up a collection comprising only the best marijuana genetics available in the market will now have to leave room on their shelves for these must-have seeds.

Our collection is the result of a major project developed in Humboldt County, California, when a group of expert breeders, with extensive experience in this area, decided to start working together. The members of the team are all prestigious and professional marijuana growers who have been so lucky as to get their hands on the best cannabis genetics in the world. All our seeds derive from reliable genetics with an amazing potential, which is a great asset worth taking into account when buying cannabis seeds by Humboldt Seed Organization. Those who decide to give them a try won’t be at all disappointed because Humboldt Seeds is a safe bet and, with their seeds, success is always guaranteed. Good genetics are essential to obtaining the desired results, a key element that everyone should bear in mind. That’s why Humboldt Seed Organization is the right choice.

The best cannabis seeds accessible to all

All Humboldt Seed Organization genetics are intimately connected to the concepts of authenticity, experience, reliability, quality, and excellence. It is one of our fundamental goals to work using eco-friendly methods and making the most of the many natural resources available around us. We thus recommend all growers to cultivate our seeds in rich and fertile soil, using organic fertilizers and under optimal conditions. Should they comply with these conditions, our cannabis seeds are sure to show their best potential.

  • 1st condition: Humboldt Seed Organization marijuana seeds
  • 2nd condition: Optimal growing conditions
  • Result: Success!

We have established a procedure aimed at obtaining the best cannabis seeds on the market that consists of a wide variety of techniques and quality control methods. Only those seeds that meet the required standards in terms of cleanliness, size, and preservation are selected for future use. The packaging stage is also paramount, and so it is carried out with great care. Seeds are put in an exclusive wooden box that protects and preserves the seeds perfectly during transport and storage so that what the end-user gets is a top-notch product.

If it is the first time you buy cannabis seeds Humboldt Seed Organization, here you have some tips that could help you choose the right one for you:

    . One of the most popular strains in California. It stands out for its intense fruity scent, its potent and long-lasting effect as well as for its heavy-yielding properties. . A classic Skunk. A balanced, stable and fast-flowering strain with a delicious flavor of exotic fruits and a marvelous aroma of incensed citrus. . A sublime, innovative and hardy Sativa wrapped in a fresh piney and citric fragrance that is a real joy to behold. . Ambassador of Californian marijuana. An outstanding Indica with a soothing and long-lasting effect, and an unmistakable aroma of citrus, wood, and oil. . One of the most highly regarded Indica strains in the USA. Potent and relaxing, it showcases a surprisingly earthy, citric taste. . An incredibly narcotic and mind-blowing Skunk. Strong high accompanied by a pleasant aroma of cedar wood, citrus, and oil. . This version of the world-renowned OG is more potent than its predecessor and comes with a stunning smell of garlic with hints of citrus and pine. Its high-quality is also a great asset. . A genuine seed that combines superior potency, aroma, flavor, yield, and beauty with amazing harmony. . One of the most important Californian cannabis icons has joined the CBD wave. Now, we’re traveling a path full of possibilities. That’s why our catalog couldn’t do without a high-CBD cannabis seed with all the benefits of CBD and the awesome features of the Blue Dream genetics. The result: incredibly bulky and colorful buds, laden with resin, an amazing flavor and a moderate effect suitable for therapeutic use and for users looking for more gentle sensations. . Another cannabis seed that is now part of this new generation of therapeutic cannabis. On this occasion, we present the CBD-rich version of a Californian cannabis classic whose top-quality lineage hasn‘t so far been used to this end.
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How to make the most of a high-end strain

After you buy cannabis seeds of premium quality and check their origins are fully trustworthy, it’s time to start looking for an optimal place to cultivate them. In order to do so, it is essential to pay attention to the following issues, if the best results are to be obtained:

  • Growing media. Whether you decide to cultivate indoors or outdoors, this element is of utter importance for your seeds’ optimal development, because it helps their roots grow strong and healthy, resulting in stunning marijuana plants.
  • Ideal growing conditions. Plants are optimally grown outdoors. However, they can also thrive indoors if the growing area is well aerated, free of humidity and with a controlled temperature. They do not grow as tall as in the open air, though. If you decide to cultivate outdoors, it is important to keep in mind that they deliver better results in regions with long, sunny days.

If your Humboldt Seed Organization marijuana seeds are stable, potent and heavy-yielding, and you place them in an adequate growing area using the perfect media, your seeds are sure to show their greatest potential. Outdoors, plants can even turn into huge 3-meter tall trees capable of producing amazingly generous crops of cannabis buds.

Special offers, promotions, and gifts with your purchases

At Humboldt Seed Organization, we try to reward loyal customers for their purchases. Therefore, when buying in our online store, you will discover a wide variety of special offers, promotions, and gifts. Information in this regard will be regularly sent to you through the newsletter or announced on our site banners.

Get a free seed for every €30.00 you spend.

Buy cannabis seeds in our online store quickly, easily and confidently. All our seeds come in a safe and original packaging that guarantees they arrive in perfect condition.

A groundbreaking collection with old-school genetics

One of the main concerns of Humboldt Seed Organization is and has always been that all our genetics, not only those already in our catalog but also the ones that are still under development, finely preserve the so-coveted traits of those strains brought to California more than 20 years ago. Potent genetics with noble origins that showcase top-notch old-school traits.

Humboldt Seed Organization is a marijuana seed bank located in the United States, in northern California, an area of fertile soil known as Emerald Triangle. With such a name, it is not difficult to imagine what happens in there: the precious gemstone, famous for its toughness and its beautiful green color, has often been equated with the tasty, bulky, thick and colorful cannabis buds obtained in this region. The three counties that make it up are Mendocino County, Humboldt County, and Trinity County, all of them noted for their production of cannabis. The climatic and geological conditions of this idyllic, isolated place are perfect for the correct development of marijuana seeds which showcase an amazing potential and overall quality that could be hardly obtained in areas with different conditions. That’s why they have been not only endorsed by American breeders since the 60’s, but loved and appreciated by experts in the field all over the world.

Buy cannabis seeds

Because with a track record of more than 15 years and nearly 90 varieties, some of them already classics of the cannabis scene, numerous trophies and a consolidated presence at international level, Sweet Seeds® is positioned as one of the oldest seed banks, always keeping intact its commitment to quality with its customers and with its sights set on a promising future for the cannabis sector.

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Las semillas de aquí siempre germinan salen muy bien y con fechas de la producción de la misma un lujo

As of present time, I have not yet planted the new shipment. Probably buy another two weeks. And in all general I have been by your prod.

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The cannabis seeds marketed by Sweet Seeds® are items intended for collectors and genetic preservation. The use of seeds and other marketed products for any purposes contrary to the current legislation is expressly prohibited. Sweet Seeds® will not sell or send cannabis seeds to countries where their possession or trade is not legal. Sweet Seeds® has established several controls to comply with this regulation. Check Legal Notice.

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Sweet Seeds® is committed to the legalisation of cannabis. Therefore, as part of our Crime Prevention Plan, our online shop for customers over 18 years old sets limits for the maximum number of seeds each user can purchase; namely, 25 seeds every 3 months and 100 seeds per year.

We believe this is the best way of supporting responsible home-growing and self-consumption, while also preventing our seeds from being misused for illicit purposes or gains.

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Fate of weed seeds in the soil

The fate of weed seeds in the soil has been an area of much research in recent years. Most studies have focused on the seeds that successfully produce seedlings since these are the seeds that cause immediate problems for farmers. In most studies, annual emergence typically accounts for 1 to 30% of the weed seed in the soil. Thus, the majority of seeds found in the soil seed bank fail to produce seedlings in any given year. The fate of seeds that fail to germinate and emerge is poorly understood. While some of these seeds are simply dormant and will remain viable until the following year, others are lost due to decay or consumed by insects or small animals. This article will describe results of an experiment that monitored the fate of seeds for the first four years following introduction into the soil.

Methods: Seeds of velvetleaf, waterhemp, woolly cupgrass and giant foxtail were harvested from mature plants during the 1994 growing season. The seeds were cleaned and counted and then buried in the upper two inches of soil on October 21, 1994. Two thousand seeds were buried within a 3 sq ft frame to allow recovery during the course of the experiment. Weed emergence was determined by counting seedlings weekly during the growing season. Emerged seedlings were pulled by hand after counting. In the fall of each year one quarter of the soil within a frame was excavated and the remaining seeds were extracted and counted. Corn or soybeans were planted between the frames during the course of the experiment to simulate agronomic conditions.

Results: The emergence patterns of the four species were described in an earlier article (see emergence patterns). The fate of the seeds (emergence, loss or survival in soil) during the first four years after burial is shown in Figure 1. In the first year following burial waterhemp had the lowest emergence (5%) whereas greatest emergence was seen with woolly cupgrass (40%). Total emergence over the four years ranged from 300 seedlings (15% of seed) for waterhemp to 1020 seedlings (51%) for woolly cupgrass. More than three times as many seedlings emerged in the first year than in subsequent years for velvetleaf, woolly cupgrass and giant foxtail, whereas 140 waterhemp seedlings emerged in 1996 compared to only 100 in 1995.

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Figure 1. Fate of seeds during the four years following burial in the upper two inches of soil. Two thousand seeds of each species were buried in the fall of 1994. The area in white represents the number of intact seeds present in the fall of each year, green represents the total number of seeds that produced seedlings during the four years, and the blue represents the total number of seeds lost. Buhler and Hartzler, 1999, USDA/ARS and ISU, Ames, IA.

Seeds of the two grass species were shorter lived than those of velvetleaf or waterhemp. At the end of the third year (1997) no grass seeds were recovered. Somewhat surprising is that waterhemp seed was more persistent than velvetleaf in this study. Velvetleaf has long been used as the example of a weed with long-lived seeds. In the fourth year of the study four times more waterhemp seedlings than velvetleaf emerged and four times more waterhemp seed than velvetleaf seed (240 vs 60) remained in the seed bank.

For all species except woolly cupgrass the majority of seeds were unaccounted for (the blue portion of the graph) in this experiment. Determining the fate of the ‘lost’ seeds is a difficult task. A seed basically is a storage organ of high energy compounds, thus they are a favorite food source of insects and other organisms. In natural settings more than 50% of seeds are consumed by animals. The importance of seed predation in agricultural fields is poorly understood, but recent studies have shown that predation can be a significant source of seed loss. Another important mechanism of seed loss likely is fatal germination. This occurs when a seed initiates germination but the seedling is killed before it becomes established. Fatal germination probably is more important with small-seeded weeds such as waterhemp and lambsquarters than with large-seeded weeds, but is poorly understood. A better understanding of the factors that influence seed losses might allow these processes to be manipulated in order to increase seed losses.

So what does this mean as far as managing weeds in Iowa. First, consider how the methods used in this experiment might influence the results. The seeds were buried in the upper two inches of soil, the zone most favorable for germination. Most long term studies investigating the persistence of seeds have buried the seeds at greater depths than used here in order to minimize germination. If the seeds were buried deeper one might expect less emergence and greater persistence since the seeds would be at a soil depth with less biological activity. If the seeds had been placed on the soil surface it is likely that there would be more predation, less emergence and shorter persistence.

The results indicate that the seed bank of giant foxtail and woolly cupgrass should be able to be depleted much quicker than that of the two broadleaves. Maintaining a high level of weed control for two years should greatly diminish populations of these weeds in future years and simplify weed management. Unfortunately, a single plant escaping control can produce more seed than was introduced to the soil in these experiments, thus the seed bank can be rapidly replenished any time weed control practices fail to provide complete control. Finally, over 50% of velvetleaf and waterhemp seed was lost in the first two years following burial. However, significant numbers of seed of these species remained four years after burial. This will make populations of these two species more stable over time than those of woolly cupgrass and giant foxtail.

Doug Buhler is a Research Agronomist at the National Soil Tilth Laboratory, USDA/ARS, Ames, IA.

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