Purpletop tridens, Redtop tridens, Tall redtop tridens, Purpletop, Redtop, Tall redtop
Poaceae (Grass Family)
Wildflower Center Staff
Tall redtop or Purple-top is a 2 1/2-7 ft. tall perennial
grass with drooping branches bearing widely spaced reddish-purple spikelets. In
mass, this species puts a purple top on old fields and open woods. The plant becomes brown in fall.
Image Gallery: 6 photo(s) available
Bloom InformationBloom Color: Purple
Bloom Time: Aug , Sep , Oct , Nov
, DC Native Distribution:
s. to Mex. Native Habitat:
Roadsides, Open woodlands
Growing ConditionsWater Use: Low
Light Requirement: Part Shade
Soil Moisture: Dry
CaCO3 Tolerance: Low
Soil Description: Dry soils. Sandy, Sandy Loam, Medium Loam, Clay Loam, Clay
Conditions Comments: During early growth it is readily consumed by livestock.
BenefitUse Ornamental: Attractive
Use Wildlife: Graze, Nesting material.
Larval Host: Cross-line skipper, Broad-winged skipper, Little Glassywing skipper, Large Wood Nymph.
Butterflies and Moths of North America (BAMONA)
is a larval host and/or nectar source for: