crab grass - Knowledgebase Question

laguna hills, Co
Question by jefferyjro
August 26, 2010
how do I get rid of crab grass. and keep it awasy forever


Image
Answer from NGA
August 26, 2010

0

Depending upon the type of turfgrass you are growing, there are some products that specifically target crabgrass but not some types of turfgrass. If you use one of these products, make sure your grass type is listed on the label. Crabgrass starts germinating when soil temperatures are 50 to 55 degrees F for ten or more days and germination can take place over a 6 week period. Pre-emergence herbicides provide excellent weed control for crabgrass but they last only about 30 days. The compound prevents the weed seed from germinating, but it will not kill the newly sprouted seedling. Late April to early May is an ideal time to apply pre-emergence control. A second application might keep your lawn a little more crabgrass free. At this point, you might want to try raking it out or hand pulling. Next spring use the pre-emergent, reapplying in 30 days. That should keep the crabgrass under control. Proper lawn maintenance practices can limit crabgrass invasions. A dense stand of turfgrass prevents the weed from germinating and establishing. Good luck with your lawn.

You must be signed in before you can post questions or answers. Click here to join!

« Return to the Garden Knowledgebase Homepage

Member Login:

Username:

Password:

[ Join now ]

Today's site banner is by EscondidoCal and is called "Daylily & Lantana"