Overview
Calamagrostis acutiflora 'Overdam' is a grass in the genus Calamagrostis, part of the Poaceae family. Calamagrostis acutiflora 'Overdam' grows best in full sun and partial shade, and tolerates most soils and any pH. Its UK hardiness is rated H5. Suggested uses include borders, ornamental grass and ground cover. It is native to Hybrid species and originally from Europe and Asia.
About
Calamagrostis × acutiflora, called feather reed-grass, is a naturally occurring hybrid species of grass in the genus Calamagrostis, occasionally found in Europe and Asia. Its cultivar 'Karl Foerster' has gained the Royal Horticultural Society's Award of Garden Merit.
Wikipedia contributors, CC BY-SA 4.0 — Calamagrostis × acutiflora
About the genus
Calamagrostis is a genus of flowering plants in the grass family Poaceae, with about 260 species that occur mainly in temperate regions of the globe. Towards equatorial latitudes, species of Calamagrostis generally occur at higher elevations. These tufted perennials usually have hairless narrow leaves.
Wikipedia contributors, "Calamagrostis", CC BY-SA 4.0 — Calamagrostis
Growing conditions
Best soil and position for Calamagrostis
- Sunlight
- full sun, partial shade
- Soil type
- loam, sand, clay
- Soil pH
- acidic, neutral, alkaline
- Soil moisture
- moist,well-drained
- Exposure
- sheltered, exposed
- UK hardiness
- H5
Plant details
Calamagrostis acutiflora 'Overdam' size, habit and characteristics
- Plant type
- Grass
- Suggested uses
- borders, ornamental grass, ground cover
- Native to
- Hybrid species, originally from Europe and Asia
Care notes
Pruning and caring for Calamagrostis acutiflora 'Overdam'
- Cultivation
- Plant in spring or autumn. Prefers moist, well-drained soil. Tolerates a range of soils and conditions. Cut back old foliage in late winter or early spring.
- Pruning
- Cut back old foliage to ground level in late winter or early spring before new growth begins.
- Propagation
- Division in spring or autumn.
Frequently asked questions
How do I grow Calamagrostis acutiflora 'Overdam'?
Plant in spring or autumn. Prefers moist, well-drained soil. Tolerates a range of soils and conditions. Cut back old foliage in late winter or early spring.
Where is the best place to plant Calamagrostis acutiflora 'Overdam'?
Calamagrostis acutiflora 'Overdam' prefers full sun and partial shade. It suits sheltered and exposed positions.
What soil does Calamagrostis acutiflora 'Overdam' need?
Calamagrostis acutiflora 'Overdam' is adaptable and grows happily in most soil types, including loam, sand and clay. It is happy in soil of any pH. Aim for soil that stays moist to well-drained.
How do I prune Calamagrostis acutiflora 'Overdam'?
Cut back old foliage to ground level in late winter or early spring before new growth begins.
Is Calamagrostis acutiflora 'Overdam' hardy in the UK?
Calamagrostis acutiflora 'Overdam' has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.
How do I propagate Calamagrostis acutiflora 'Overdam'?
Division in spring or autumn.