From California Natives Wiki
Botanical Name: Aristida purpurea
Common Name: Purple Three Awn
- Tough, beautiful ornamental bunchgrass. Has purple seed heads which wave gracefully in the wind. Recommended for erosion control on slopes, hillsides, and in canyons.
- Plant Family: Poaceae
- Plant Type: Grass (warm season)
- Height by Width: 2-3' H x 2' W
- Growth Habit: Bunchgrass
- Deciduous/Evergreen: Warm-season
- Growth Rate: Fast
- Sun Exposure: Full sun
- Soil Preference: Well-draining
- Water Requirements: Drought-tolerant to moderate
- Cold Hardy to: 15 degrees F
- Flower Season: Spring/Summer
- Flower Color: Purplish
- Endangered?: Not listed
- Distribution: Southwestern CA, deserts below 6000'
- Natural Habitat: Sandy to rocky soils, slopes, plains below 6,600'
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