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Digitaria californica (Benth.) Henr.
Arizona cottontop, California cottontop, California crab grass, Cottontop
Synonyms: Trichachne californica
USDA Symbol: DICA8
USDA Native Status: Native to U.S.
A warm-season bunchgrass with erect culms from a knotty, felty base. Numerous leaves surround the 2-4 ft. culms which bear attractive white to purplish, cottony seedheads.
Bloom InformationBloom Color: White
Bloom Time: Mar , Apr , May , Jun , Jul , Aug , Sep , Oct , Nov
AZ , CO , NM , OK , TX Native Distribution:
TX & OK to s. CO, AZ & Mex. Native Habitat:
Prairie, Plains, Meadows, Pastures, Savannahs USDA Native Status: L48(N)
Growing ConditionsWater Use: Low
Light Requirement: Part Shade
Soil Moisture: Dry
CaCO3 Tolerance: Medium
Soil Description: Deep, well-drained soils. Sandy, Sandy Loam, Medium Loam, Clay Loam, Clay.
Conditions Comments: A very drought tolerant species, rarely found in pure stands. It will repeatedly go to seed when moisture is available. Useful both as an ornamental and for improving rangeland.
PropagationDescription: Not Available
Seed Collection: Not Available
Seed Treatment: Not Available
Commercially Avail: yes
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Record Modified: 2009-02-21
Research By: TWC Staff