Feather Reed Grass
Calamagrostis × acutiflora
Strictly upright and self-supporting, which is rare in a grass this tall — provided you keep it sunny and leave it unfed.
Light Full sun to partial shade.
Water Little needed once established.
Height 1.5 m
Spread 23.6 in
Spacing 60 cm
Spacing & sowing
- Plant spacing
- 23.6 in
- In-row spacing
- 23.6 in
- Between rows
- 2 ft 6 in
- Square-foot density
- Not suited to SFG
Growing
- Type
- Grass · Perennial
- Botanical family
- Mixed / other
- Sunlight
- Full sun to partial shade.
- Watering
- Little needed once established.
- Feeding
- None required.
- Frost tolerant
- Yes
- Flowering
- June
- Pruning
- Cut to 10 cm in late February.
- Overwintering
- Hardy enough to leave standing through winter, unprotected.
Through the year
- Mar–Jun Spring Growth
- Jun–Sep Flowering
- Sep–Dec Growing
- Dec–Dec Leaf Fall
- Jan–Mar Leaf Fall
Pests & problems
- Rust Rust, now and then, through a humid summer.
- Center die-back in older clumps — divide to bring it back.
The Cottage Garden Companion — the gardener's herbarium at cottagegardencompanion.com