So the best time to plant grass seed is from late spring (after the last frost date) through early summer. An early spring application is usually the most effective, but you can use the herbicide in the fall to treat other weeds. I live in Sarasota Florida, last year applied Scotts Halts for the first time, first application was Feb 1, 2nd application was April 1st, by end of June crabgrass was everywhere. I have seen folks break the crabgrass germination barrier in those spots by cultivating the soil to a 4-inch depth (to disrupt the crabgrass barrier), then mixing in an inch of compost like Scotts Turf Builder Lawn Soil, and then seeding with … Seeds lie dormant in the winter and start new growth in the spring. Not for use on dichondra and bentgrass lawns. Don't plant grass seed for four growing months or sprig an area for five months after use of this product. As the owner of a landscaping and lawn maintenance company, I can assure you that you can’t put down new seed and Scott’s crabgrass preventer at the same time. Please contact us at 877-220-3089 if there is anything else we can … OR, “Can I prevent crabgrass and seed at the same time?” If you have already put down Turf Builder plus Halts Crabgrass Preventer the directions state that you should not plant grass seed for 4 months after application. World rights reserved. If you put down Scotts Turf Builder +2 weed and feed then the weed killer can affect the germination of the seed some. Apply in Spring to prevent crabgrass all season long. This is not the product label. Note that established crabgrass are not affected by pre-emergent herbicides, as they work only before germination begins. This would mean you will need to wait until the end of August to seed. Would I be safe to apply a pre-emergent such as Scotts fertilizer with Halts pre-emergent this spring, or would some of the grass seeds from last fall still be germinating and/or too weak to survive the chemicals? Weed Preventer or Weed Killer) If you have already put down Turf Builder plus Halts Crabgrass Preventer the directions state that you should not plant grass seed for 4 months after application. So far, I have scraped up most of the seed also but I think i got 95 % of the Halts. ), foxtail (Setaria spp.) Since I applied Scotts Sun and Shade seed, then coated it with a thin layer of topsoil and then applied Scotts turf builder with Halts and have NOT watered it, I am trying to scrap off the topsoil and Halts before it soaks in. Weed Control Controls the following weeds: crabgrass, foxtail, spurge, barnyardgrass, fall panicum, goosegrass*, henbit, chickweed, poa annua, corn speedwell and oxalis (common yellow woodsorrel). Halts contains one of the top rated ingredients for preventing crabgrass and the granules are smaller to provide better coverage of each square inch of lawn surface. Scotts: Scotts® Turf Builder® Halts Crabgrass Preventer with Lawn Food, Michigan State University Extension: Crabgrass Control in Home Lawns. My Lawn App by Scotts helps simplify your lawn care. Allow at least a two month interval between applications. scotts turf builder halts crabgrass preventer with lawn food Don't use on newly seeded grass lawns until after the fourth mowing. Can I plant seed in the fall then use scotts halts for crabgrass in the spring. ... 3 Can I Use Scotts Halts Crabgrass Preventer on St. Augustine Grass? This Scotts product helps keep the weed's seeds from germinating, but the herbicide's effectiveness eventually wears off, usually between two to four months after application. The key to successful control is to treat the soil before the weed you’re trying to control begins to germinate. It would also prevent most other weed seeds as well as grass seed from germinating. Once the seeds germinate, the opportunity for prevention is passed. If you water the yard frequently then this will leach the product out of the ground quicker and the seed can be salvaged. If it is Turf Builder with Halts then like the Scotts guy said it will prevent seed germination for 4 months. This means if you want to control both spring and winter weeds, you should make one spring application and one fall application. Spread up to 1-inch of organic mulch over the seeds to conserve moisture and encourage germination. ), Scott’s Halts Crabgrass Preventer should be applied in early spring. Can also apply in the fall (Aug-Oct) to prevent germination of Poa Annua, Chickweed and other common lawn weeds. Scotts Halts, Bayer, and Ortho lawn weed killers recommend this timing. And rain, snow, or freezing weather will not affect performance, after application. The application schedule for Scott’s Halts Crabgrass Preventer depends on the type of weed you’re trying to control, according to Scotts. It would also prevent most other weed seeds as well as grass seed from germinating. *For goosegrass control, repeat application in 8 weeks. And considering that half the questions on the product page at home depot, lowe's, etc. Don't rake or aerify after application, as the Halts(R) chemical barrier in the soil will be disturbed. If you had a crabgrass problem last year, you can use Scotts Starter with Crabgrass Preventer instead of Halts when you seed, since this will not hinder your grass seed germination. Use Scotts Turf Builder Halts Crabgrass Preventer with Lawn Food to keep your lawn protected from crabgrass all season long. Halts will prevent your grass seed from growing. How long you must wait to plant grass seed after treating your lawn with a Scotts Weed B Gon product depends on which product you use. I am about three quarters done today. We appreciate your interest in Scotts Halts Crabgrass and Grassy Weed Preventer. 1. I'm in Minnesota, so I expect ground temps to be around 50° around mid-late April. Thank you for your question regarding Scotts Weed Control for Lawns. Can I Plant New Grass AFTER Using a Weed Control Product? Scotts Halts products last up to 4 months.) 2020-12-16. You can wait 30 days after applying Scotts Turf Builder Halts Crabgrass Preventer with Lawn Food to apply a weed and feed as long as you follow rates and max applications per year. (i.e. Spot treating is also an option throughout the growing season. You will need to wait 3 weeks after using this product to re-seed. Crabgrass is an annual plant, so in my zone 5/6 lawn, all of the crabgrass from last year is dead and applying the Halts would keep the seeds from germinating this year. I want to use a seed slicer to overseed my lawn (I have a lot of bare and thin spots). 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