When do i put down crabgrass preventer

Dimension, unlike many other pre-emergent herbicides, has some post-emergent qualities as well. It will kill small seedlings up to about 4 weeks old and up to the tiller stage. You might want to learn about turfgrass issues , and we have loads of other content on our blog. Learn more about common turfgrass diseases and how to prevent them. When Should Crabgrass Preventer be Applied? Home Guides Garden Soil Care.

By Turner Anderson. Related Articles. How Crabgrass Preventer Works When crabgrass preventer is applied on your lawn, it creates a barrier on the top of the soil to prevent the crabgrass seeds from sprouting. When to Apply Crabgrass preventer should be applied in early spring -- February through April -- before the crabgrass seeds can begin to germinate.

Crabgrass preventer is a pre-emergent herbicide that works by inhibiting the growth of seedlings. The herbicide must be applied before the seed germinates. Crabgrass typically germinates when soil temperatures reach 62 degrees Fahrenheit at a depth of 1 or 2 inches. Crabgrass preventer should be applied when soil temperatures reach 50 to 55 degrees Fahrenheit. If you apply the herbicide too early in the spring, it may break down before the end of the germination cycle.

If temperature conditions are ideal, then applying crabgrass preventer before a rain is a good way to ensure it is delivered deeply enough into the soil. Looking for a price estimate on your lawn? Fill out the form below to receive a free quote. Using the below Information and our Satellite System, we'll measure the square footage of your lawn. You'll only pay for the area you're having fertilized, not a penny more! Mobile Menu. Sort Posts BY Posted by: Shaun Kanary on January 22, Look for Flowering Plants forsythia as a Good Estimate of When To Apply Crabgrass Preventer Perhaps an easier way than getting soil temperatures from the soil is to be on the lookout for your flowering trees and shrubs to begin to bloom.