How Long After Scotts Weed And Feed Can I Seed

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Read customer questions about Scotts Turf Builder Weed and Feed 3 and get help with Scotts Turf Builder Weed and Feed 3 Garden Guides is the ultimate resource for cultivating your green thumb. Will Weed and Feed Kill Grass Seed? When to Plant and Spray Many gardeners often find themselves unsure of how long they’re supposed to wait until they can apply weed and feed to their lawns

Scotts Turf Builder Weed and Feed 3 – Questions & Answers

Will Scotts Turf Builder Weed and Feed 3 harm my dog?
My dog eats grass sometimes. I’m concerned about my dog’s health and don’t want him to get sick or even die after fertilizing my lawn. Should I just quit fertilizing?

Scotts Turf Builder Weed and Feed 3 is safe for pets when it is used according to the product label. You want to make sure pets are not in the area while applying the product. Once the treated areas dry completely, chewing or eating grass will not be harmful and your pet can resume normal activity within the area.

It is recommended not to mow within 2 days before or after application of Scotts Turf Builder Weed and Feed 3.

It is recommended that you wait at least one month after an application of Scotts Turf Builder Weed and Feed 3 to reseed.

According to the product label, you do not want to water the lawn within 24 hours after application of Scotts Turf Builder Weed and Feed 3.

After applying Scotts Turf Builder Weed and Feed 3, weed stems will usually begin to twist and curl in several days, but a month or more may be required to see full control.

When is the best time to apply Scotts Turf Builder Weed and Feed 3 to my lawn, and how often can I use it?

Scotts Turf Builder Weed and Feed 3 is a fertilizer and post-emergent herbicide, so it is designed to be used in late Spring when target weeds are young and actively growing. You can reapply after at least 30 days as long as your turf is listed as safe. Do not make more than 2 applications per year. In the fall, do not treat centipede after the first of October and do not treat bahia after the first of November. Wait at least one month after using this product to seed, sod, or plant grass sprigs. Please refer to the product label for complete instructions.

How Many Days Do You Have to Wait Before Seeding After Weed & Feed?

You want a beautiful lawn for your family to enjoy, but it’s no longer enough to just mow it. You have to fertilize, water, kill weeds and then reseed any bare spots. Using a weed and feed product saved you some time, so now you’re ready to plant some grass seed. You may have to wait a bit longer, though, depending on the type of weed and feed product you used.

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Weed and Feed

Weed and feed products consist of fertilizers such as nitrogen or potassium, and a pre-emergent or post-emergent herbicide. If the weed and feed is designed for spring application, it contains a pre-emergent. If it is designed for later in the growing season, it incorporates a post-emergent herbicide. Knowing which one you are using is important because the herbicides affect plants in significantly different ways.

  • You want a beautiful lawn for your family to enjoy, but it’s no longer enough to just mow it.
  • Using a weed and feed product saved you some time, so now you’re ready to plant some grass seed.

How They Work

Pre-emergent weed and feed is applied in early spring so the herbicide is in place before the undesirable weeds germinate. Pre-emergent herbicide works by inhibiting germination. It must be watered with at least one-half inch of water to move the chemical from the surface into the soil. Post-emergent herbicides, however, must be applied while the weeds are actively growing because for the chemical to work, the herbicide must be absorbed into the plant.

Why You Wait

Since weed and feed products are designed to prevent germination — or to eradicate a living plant — they can, for the most part, have a similar effect on young turf grass. The only exception is the pre-emergent herbicide siduron, which is actually used to assist in seed germination. When using a pre-emergent that does not contain siduron, wait a minimum of two months before seeding. If using a product designed for broadleaf weeds, read the label carefully, because the active ingredient in these post-emergent herbicides have a wider range for the waiting period. Grass can be planted in as little as one month after application for products using 2,4-D to as much as six months for atrazine-based products.

  • Pre-emergent weed and feed is applied in early spring so the herbicide is in place before the undesirable weeds germinate.
  • Post-emergent herbicides, however, must be applied while the weeds are actively growing because for the chemical to work, the herbicide must be absorbed into the plant.

Proper Seeding Methods

When you are ready to seed your lawn, use a garden rake to remove debris and to break up the surface to ensure the seed comes into contact with the soil. Broadcast the seeds in two directions to ensure complete coverage, and water the ground lightly and often for up to two weeks — keeping the soil moist. Once seedlings have established, gradually reduce the frequency of the watering, but lengthen the amount of time per watering. This will encourage a deep root system for your grass.

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Will Weed and Feed Kill Grass Seed? When to Plant and Spray

Many gardeners often find themselves unsure of how long they’re supposed to wait until they can apply weed and feed to their lawns after planting grass seed. Conversely, the issue may be how long one’s supposed to wait to plant grass seed after spraying weed and feed. For both concerns, the answer largely revolves around the type of herbicides found in different weed and feed products.

Can you put weed and feed on grass seed?

You may be having an irresistible urge to spray weed and feed on your recently overseeded turf after spotting one or two weeds sprouting on the lawn. However, the growing seedlings will not be able to survive the strength of the herbicide. If you’re planning to use a weed and feed product with a post-emergent herbicide on your growing turf, wait until the grass roots anchor deeper into the soil and the lawn is established.

Also, some weed and feed products are non-selective, pre-emergent herbicides targeted at preventing weed seeds from sprouting. As such, when they’re applied on a recently seeded lawn even before the grass seeds germinate, they’ll kill the weed seeds as well as the grass seeds.

To control weeds on lawns before the new grass is established, consider alternative measures like spot treatments. You can also manually uproot the weed plants if the infestation is still in the early stages.

Mowing also helps to control weed growth in newly-established lawns, as the grass grows stronger and crowds out more weeds. In fact, it’s advisable to refrain from spraying weed and feed on your new turf until after the third mowing. By then, the grass will be strong enough to withstand herbicides.

However, even then, you should only use a post-emergent, selective weed and feed product. These will easily kill broadleaf weeds like dandelions and clover without harming your turfgrass. Pre-emergent herbicides won’t work on already existing weed plants, while non-selective/systemic herbicides will kill both the weeds and your growing turfgrass.

When to plant grass seed after weed and feed?

The best time to plant grass seed after applying weed and feed depends on whether the weed and feed used contained a pre-emergent or post-emergent herbicide. For weed and feed products containing post-emergent, systemic weed killers, you can plant grass seed as soon as two weeks after application.

That’s because systemic herbicides don’t leave any residue in the soil that might harm seeds grown a few days after. They’re instead absorbed into plants via the leaves and roots, killing the whole plant within 7 days. Common examples of systemic herbicides include glyphosate and pelargonic acid.

Pre-emergent herbicides, on the other hand, are formulated to inhibit seed germination by forming a chemical barricade atop the soil. Thus, if you plant your grass seed soon after applying a weed and feed with a pre-emergent herbicide, they won’t sprout as the herbicide will still be in the soil.

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To seed your lawn after using a pre-emergent weed and feed, you may have to wait between 1-6 months, with 2 months being the average wait time. This is due to the wide variation in the duration it takes for different types of pre-emergent herbicides to degrade in the soil. A herbicide like 2,4-D decays in as soon as four weeks, but you may have to wait for six months to plant grass seed on a lawn treated with Atrazine herbicide.

Take note, though, that there are some types of weed and feed products that can be used to suppress weed seeds without affecting grass seed. These products usually contain siduron, a pre-emergent herbicide that also boosts germination of grass seed. If your pre-emergent weed and feed contains siduron as the primary active ingredient, you can sow grass seed right after application.

Note: Always read the labelling on your weed and feed for information on how long you should wait to plant grass seed post-application. The types of herbicides infused into the product usually determines the manufacturers’ wait time recommendations.

How long after seeding can you spray for weeds?

It’s not uncommon to find weeds sprouting and growing on your lawn alongside your new grass seedlings. The right time to spray selective weed and feed on your lawn after seeding is after mowing three times. At this stage, the grass is mature enough to withstand the harsh chemical herbicides inside the weed and feed.

You can also spray a pre-emergent weed killer if the weed infestation is still in the earlier stages. When you start to notice weeds on your new turf, it’s a sign that more weed seeds are present in the ground and are about to germinate.

You should spray a pre-emergent at least 14 days after seeding, after the grass seeds have germinated into seedlings. As such, you’ll be targeting only the weed seeds that haven’t yet sprouted, and not your grass seeds.

Note: Never use a non-selective weed killer on your new lawn, no matter how mature the grass looks, as it will kill all plants it comes into contact with including the grass.

Weed Control Tips after Seeding a Lawn

You can keep weeds out of your lawn after seeding by adopting the proper watering, fertilizing, and mowing practices. Doing so helps your turf grow stronger and stay healthy enough to choke out weeds.

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