Help to identify lawn weeds in my yard

Asked June 18, 2020, 8:26 AM EDT

Hello, I have lots of this tall, fast growing grassy weed in my yard. It has a rather stiff stalk and some are showing seeds. (First 2 photos) I am also sending a third photo of another weed which sits lower to the ground and has a shorter and broader leaf. Please see attached photos to help me identify these weeds and what I can use as post emergent to rid my yard of these. Thanks!

Montgomery County Maryland

2 Responses

The first two photos show a grassy perennial weed, possibly Quackgrass.
Grassy perennials are challenging weeds to control.

Your third photo show a widely spread invasive arrival called Japanese Stiltgrass.

Both of these can be found on this page. Click on the names to learn more, including how to manage and control them in your lawn:
https://extension.umd.edu/hgic/topics/lawn-weed-id-and-management


Christine

Thanks!