Ticklegrass

Agrostis hyemalis · Cool-season, Perennial, C3 grass

AI-generated identification · may be incorrect
Ticklegrass

Grass Category

Native Prairie Grass / Weed Grass / Erosion Control

Hardiness Zones

Thrives in USDA Hardiness Zones 3 through 8, showing good cold hardiness and moderate heat tolerance.

Grass Family

Poaceae, subfamily Pooideae, tribe Poeae

Variety / Cultivar

Wild type (No specific named cultivars commonly used in turf)

About This Grass

Ticklegrass forms fine, tufted bunches with extremely delicate, diffuse, widely spreading panicle seed heads. Unmowed height reaches 1 to 2 feet. The color is light green to yellowish-green, turning straw-colored at maturity. The overall appearance is wispy, with a vapor-like cloud effect created by the branching seed head structure.

Blade Characteristics

Fine blades (<2mm width), flat or rolled, pointed tips, light green color. Vernation is rolled in the bud. Ligule is membranous and translucent. Auricles are absent.

Root System

Fibrous, shallow to moderate depth root system. Establishes quickly from abundant seed production but does not form a dense turf sod.

Growing Information

Origin Region

Native to North America, widespread across the United States and Canada, found in open woods, prairies, and disturbed soils.

Growth Habit

Bunch-type (clump-forming) with a delicate, fine-textured structure.

Sunlight & Water Needs

Prefers full sun to partial shade. Low to moderate water needs once established, with good adaptability to poor, dry soils, though it often indicates acidic or nutrient-deficient conditions.

Mowing & Maintenance

Not typically maintained as a turfgrass; if caught in a lawn, it tolerates regular mowing well by remaining low, but will produce its signature seed heads if left unmowed. Maintenance level is low.

Special Characteristics

Low wear tolerance for heavy traffic. Acts primarily as an ecological indicator of poor or disturbed soils. The mature seed heads break off and tumble in the wind like tumbleweeds to disperse seeds.

Ecological Information

Native species with high ecological value for naturalized areas and prairies. Provides cover and seeds for small wildlife and birds. Helps with early-stage soil stabilization in disturbed sites, though it is sometimes considered a weed in manicured lawns.

Identified on 9/16/2026
Ticklegrass - Agrostis hyemalis | Grass Identifier