Rough Bluegrass


Scientific Name: Poa trivialis L.
Family: Poaceae
Rough Bluegrass(Poa trivialis)
Poa trivialis, Britton, N.L., and A. Brown. 1913. Illustrated flora of the northern states and Canada. Vol. 1: 255. Courtesy of Kentucky Native Plant Society.
Recommended Temperature Zone:
Sunset®: 1-11,14-17
USDA: 3-7

Sun Exposure: Full sun, tolerates light shade

Origin: Eurasia, naturalized in North America

Growth Habits: Cool-season perennial grass, up to 4 inches tall (10 cm); fine bright green leaves

Flowers: Greenish flowers

Watering Needs: Likes moist to wet soils, intolerant of drought, spreads by rhizome expansion

Propagation: Seeds, must be debearded, germinates in 7 days, in late summer or early fall

Rough Bluegrass is used in lawn seed mixtures for shadier areas, or for overseeding Bermuda grass in winter. It is a weed in Kentucky bluegrass lawns, where it shows its lighter color.


 

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