Purple Threeawn, Red Threeawn, Wiregrass, Democrat Grass
Aristidapurpurea

Family: Poaceae (poh-AY-see-ee)
Genus: Aristida (ar-RISS-ti-duh)
Species: purpurea (pur-PUR-ee-uh)

Synonym:Aristida purpurea var. purpurea

Synonym:Aristida longiseta

Synonym:Aristida purpurea var. robusta

Synonym:Aristida purpurea var. longiseta

Synonym:Aristida purpurea var. glauca

Category

Water Requirements
Drought-tolerant; suitable for xeriscaping

Sun Exposure

Foliage
Provides Winter Interest
This plant is resistant to deer

Foliage Color

Height

Spacing

Hardiness
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)

Where to Grow

Danger

Bloom Color
Medium Purple
Cream/Tan

Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds

Bloom Size

Bloom Time
Mid Spring
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall
Late Fall/Early Winter

Other details

Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information
Non-patented

Propagation Methods

Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds