species
Calamagrostis × acutiflora
Feather reed grass
Scale drawing from this record, beside a 1.7 m figure.
Calamagrostis × acutiflora belongs to the family Poaceae, also known as Feather reed grass, introduced to the UK. It reaches 1.8 m tall and 60 cm across in about 10 years. It grows in full sun or part shade, on loam or clay soil, where the ground is acid, neutral or alkaline and in moist or well drained conditions, and suits exposed or average positions. It flowers from June to August. Its RHS hardiness rating is H7 (very hardy): Below −20°C.
Assembled from the attributes recorded below.
What this plant needs
- Size at maturity
- 1.8 m tall × 60 cm across, after about 10 years
- Hardiness
- H7 (RHS)
- Aspect
- Full sun, Part shade
- Soil
- Loam, Clay
- Acidity
- Acid, Neutral, Alkaline
- Moisture
- Moist, Well drained
- Exposure
- Exposed, Average
- In the UK
- Introduced
When it flowers
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
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