When To Apply Crabgrass Preventer In Ny

Scotts halts bayer and ortho lawn weed killers recommend this timing.
When to apply crabgrass preventer in ny. But here is an even better guideline to use. That s the right time to apply scotts halts crabgrass preventer which contains the herbicide pendimethalin. Scotts turfbuilder with halts crabgrass preventer our preemergent of choice this. Armed with a soil thermometer take a reading of the soil temperature a couple of inches down into the ground where your grass is growing.
When to apply crabgrass preventer. Apply crabgrass preventer early enough in spring. Crabgrass germinates fairly early in the spring. Once the seeds germinate the opportunity for prevention is passed.
The best time to apply crabgrass preventer is at the end of the forsythia s flowering cycle just as the flowers are falling to the ground. Crabgrass preventer should be applied when soil temperatures reach 50 to 55 degrees fahrenheit. This is the same time you ll see the lilac flowers. So applying the preemergent early is key.
If you apply the herbicide too early in the spring it may break down before the end of the. The best time to apply a crabgrass preventer will be when the soil temperature reaches 55 60 degrees fahrenheit and holds that reading for a few days in a row.