Asked March 13, 2020, 4:38 PM EDT

Can lawn pre-emergents be applied now and what is a good brand of emergent to apply in Zone 7 ?

Montgomery County Maryland

3 Responses

We assume you are referring to a crabgrass preemergent. Here is our link that offers tips for application and timing


Specifically, I wanted to know about a preemergent for for Japanese Stiltgrass.

We notice that you are located in Montgomery County.
Here is some information from the Montgomery County Dept of Environmental Protection regarding a new law regarding pesticides.

Montgomery County’s pesticide law bans the use of most synthetic pesticides, including herbicides, insecticides, and fungicides on private lawns, playgrounds, mulched recreation areas, and childcare facilities. Organic pesticides are allowed. There are some exemptions for the use of synthetic pesticides, including for biting insects, indoor pests, and tree and shrub pests. Go to the
following website for information regarding the law and organic lawn care
You can also ask them questions, Email or call 240-777-0311.