Machaeranthera tanacetifolia

Machaeranthera tanacetifolia

Prairie aster

Previous scientific name(s): Aster tanacetifolius, Machaeranthera coronopifolia, Machaeranthera parthenium

Formerly known as Aster tanacetifolius. Drought tolerant biennial; full sun to partial shade. Bright violet daisy-like flowers bloom June to October on dry, rocky hillsides and in open sandy areas from the Southwest to the prairies. Occurs from 5,000 ft. to 8,000 ft. elevation.

Varieties: 

Species Attributes

Height: 
18 
- 24 
in.
Life Form: 
Biennial
Native or Introduced: 
Native
Precipitation: 
Low
Sun & Shade Tolerance: 
Full Sun
Part Sun
Elevation: 
5,000 
- 8,000 
ft.

Soil Texture

Coarse: 
Average
Moderately Coarse: 
Best
Medium: 
Average
Moderately Fine: 
Marginal
Fine: 
Not Adapted

Soil pH

Acidic: 
Not Adapted
Neutral: 
Best
Basic: 
Marginal
Seeding Rate: 
- 5 
PLS lbs/Acre
Pure Seed per Bushel: 
8.70 lbs.
Seeds per Pound: 
408,000
Germination Time: 
Days
Mycorrhizal Dependent: 
Yes
Bloom Color: 
Purple
Blooming Season: 
Summer