Arrhenatherum elatius
False oat grass, Tall oat grass, French rye grass, Tall meadow oat, Onion couch, Tuber oat grass
Arrhenatherum Arrhenatherum
A. elatius - A. elatius is a loosely tufted, deciduous, perennial grass forming chains of small, bulb-like, swollen stem bases, upright, linear, grey-green leaves and erect stems bearing green to purple flower spikelets from early summer into autumn.
Arrhenatherum elatius is: Deciduous
Clump-forming, Erect flower stem
Purple, Green in Summer; Pale-brown, Green, Purple in Autumn
Bright-green in Spring; Bright-green in Summer; Bright-green in Autumn
Rust Rust
Cutting to the ground in midsummer with encourage a second flush of leaves. Remove dead foliage in spring before new leaves emerge.
Divide every 3 years in mid-spring to early summer.
Division
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Arrhenatherum elatius (False oat grass) will reach a height of 1.5m and a spread of 1.2m after 2-5 years.
Beds and borders, Cottage/Informal, Gravel, Ground Cover, Low Maintenance, Planted in groups, Prairie planting, Waterside, Wildflower
Grow in most fertile, well-drained soils in sun or partial shade. Considered an invasive species in the United States, particularly in the West.
Chalky, Clay, Loamy, Sandy (will tolerate most soil types)
Moist but well-drained, Well-drained
Acid, Alkaline, Neutral
Partial Shade, Full Sun
North, South, East, West
Exposed, Sheltered
Hardy (H4)
Will overwhelm plants less than 30cm tall.
Arrhenatherum elatius
False oat grass, Tall oat grass, French rye grass, Tall meadow oat, Onion couch, Tuber oat grass
Arrhenatherum Arrhenatherum
A. elatius - A. elatius is a loosely tufted, deciduous, perennial grass forming chains of small, bulb-like, swollen stem bases, upright, linear, grey-green leaves and erect stems bearing green to purple flower spikelets from early summer into autumn.
Deciduous
Clump-forming, Erect flower stem
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Purple, Green in Summer; Pale-brown, Green, Purple in Autumn
Bright-green in Spring; Bright-green in Summer; Bright-green in Autumn
Cutting to the ground in midsummer with encourage a second flush of leaves. Remove dead foliage in spring before new leaves emerge.
Divide every 3 years in mid-spring to early summer.
Division
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Arrhenatherum elatius (False oat grass) will reach a height of 1.5m and a spread of 1.2m after 2-5 years.
Beds and borders, Cottage/Informal, Gravel, Ground Cover, Low Maintenance, Planted in groups, Prairie planting, Waterside, Wildflower
Grow in most fertile, well-drained soils in sun or partial shade. Considered an invasive species in the United States, particularly in the West.
Chalky, Clay, Loamy, Sandy (will tolerate most soil types)
Moist but well-drained, Well-drained
Acid, Alkaline, Neutral
Partial Shade, Full Sun
North, South, East, West
Exposed, Sheltered
Hardy (H4)
Zone 8, Zone 7, Zone 6, Zone 5, Zone 4
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This plant likes... | Garden match | |
Soil types: | Chalky, Clay, Loamy, Sandy (will tolerate most soil types) | Tell us... |
Soil drainage: | Moist but well-drained, Well-drained | Tell us... |
Soil pH: | Acid, Alkaline, Neutral | Tell us... |
Light: | Partial Shade, Full Sun | Tell us... |
Aspect: | North, South, East, West | Tell us... |
Exposure: | Exposed, Sheltered | Tell us... |
Hardiness: | Hardy (H4) | Tell us... |
Will overwhelm plants less than 30cm tall.
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