
trefle.io · Taken May 3, 2019 by ruiz mar (cc-by-sa)
Poaceae
Sterile oat
Avena sterilis
Also known as Wild oat, Poverty oat, Animated oat, Avena sterilis subsp. macrocarpa
Native Plants · Ornamental Grass · Oat Grass · Perennial Grass · Naturalistic Planting · Erosion Control · Low Maintenance · Meadow · Grain Family · Wildlife Garden
Sterile oat is a robust ornamental grass suited to naturalistic plantings and erosion control on slopes. It performs well in partial shade with average watering and tolerates a range of soil types. Minimal intervention is needed beyond occasional cutting back of old growth in late winter.
Growing conditions
The details behind the basics
- Daily light
- 4 hours
- Watering
- Water evenly to keep soil moderately moist; avoid waterlogging · Every 7-10 days
- Maintenance
- Low
- Soil
- loam
- Soil pH
- 5.5–7.5
- Temperature
- -20°F to 95°F
- Cycle
- Perennial
- Propagation
- Seed
Hardiness
USDA 5a-10b
Form & growth
Mature size and habit
- Mature height
- 18 in – 3 ft
- Spread
- 18 in
- Spacing
- 18 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- No
- Foliage
- Fine
Ecology & origin
Where it belongs and what it brings
- Native to
- Afghanistan, Albania, Algeria, Argentina Northeast, Argentina Northwest, Austria, Azores, Baleares, Belgium, Bolivia, Brazil South, Brazil Southeast, Bulgaria, California, Canary Is., Cape Provinces, Chile Central, China South-Central, Corse, Costa Rica
- Attracts
- Birds
Sources: trefle, usda
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