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Bransford, W.D. and Dolphia
Machaeranthera bigelovii var. bigelovii (Gray) Greene
Bigelow's tansyaster, Plains aster, Tansy aster
Synonyms: Aster bigelovii
USDA Symbol: MABIB
USDA Native Status: Native to U.S.
This is a showy, annual or biennial tansy aster with large, lavender-rayed flowers seen blooming en masse in autumn. The 1-3 ft. plant blooms to a lesser extent in spring and summer. Foliage on the leafy stems is sticky and hairy.
Plant CharacteristicsDuration: Biennial Habit: Herb Leaf:
Green Fruit: Size Class:
Bloom InformationBloom Color: Purple
Bloom Time: Aug , Sep , Oct , Nov
CO , NM , NV , OK , WY Native Distribution:
W. CO, NM & AZ Native Habitat:
Canyons; slopes; plains; 3000-7000 ft. USDA Native Status: L48(N)
Growing ConditionsWater Use: Low
Light Requirement: Part Shade
CaCO3 Tolerance: High
Soil Description: Shallow or rocky soils.
Conditions Comments: Plains aster can begin blooming as early as March, but its main bloom period starts in September.
BenefitConspicuous Flowers: yes
PropagationDescription: Not Available
Seed Collection: Not Available
Seed Treatment: Not Available
Commercially Avail: yes
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Record Modified: 2007-01-01
Research By: TWC Staff