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Purple Threeawn Grass, Purple Three Awn
Aristida purpurea
Cut back in winter for best results. Does best in sunny, dry locations, with minimal irrigation. Too much water or sites with poor drainage causes problems. Reseeds heavily and will naturalize in your yard. Potentially invasive.
- Plant type: Ornamental Grass, Native
- Maintenance level: Low
- Water requirement: Low
- Sun exposure: Full
- Height range: 1–3 Feet
- Width range: 1–3 Feet
- Canopy value: 3 ft²
- Growth rate: Fast
- Seasonal habit: Evergreen
- Flower color: Purple
- Flower season: Spring, Summer, Autumn
- Fruit color: Yellow, White
- Fruit season: Autumn, Winter
- General foliage color: Blue, Grey, Green
- Design style: Rabbit Resistant, Pollinator Plants
- Hardiness cold tolerance: -10 °F
- Soil preference: Rocky, Well Drained, Dry
- Native location: Much of the Western and Mid U. S., Western Canada, and Northern Mexico
- PH preference: Alkaline/Basic, Neutral, Not Particular
- Sunset zones: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
- USDA hardiness zone: 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b, 10a, 10b
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