Nimblewill is a fine, wiry perennial grass that forms light-green patches. It's slow to green up in spring, so patches stay brown longer than surrounding turf.
- Scientific name
- Muhlenbergia schreberi
- Type
- Warm-season perennial grass
- Most visible
- May–October
How to Identify Nimblewill
- Short, fine, gray-green blades
- Wiry stems that spread by stolons
- Patchy, matted growth
- Turns tan early in fall
When It Shows Up in Oklahoma Lawns
Common in shady, moist areas and thin lawns. Patches are most obvious in spring and fall.
How to Control Nimblewill
- Hand-dig small patches
- Spot-treat with a product labeled for nimblewill
- Improve turf density and drainage