
Sterile oat
Avena sterilis
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.
Care Level
Low
Sun
Partial Shade
Water
Moderate
Growth Rate
Moderate
Mature Height
18″ – 36″
Soil
loam
Life Cycle
Perennial
Spacing
18″
Watering Schedule
Every 7-10 Days • Water Evenly To Keep Soil Moderately Moist; Avoid Waterlogging
Soil pH
5.5 – 7.5
Temperature
-20° – 95°F
Mature Spread
up to 18″
Root Depth
Medium
Foliage
Fine
Propagation: Seed
Native to
Attracts
Sources
Data: trefle, usda
Image: trefle.io — Taken May 3, 2019 by ruiz mar (cc-by-sa)
No nurseries currently have this species in stock.