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Poaceae
Calamagrostis arenaria
Calamagrostis arenaria
Also known as Psamma ammophila, Ammophila arenaria, Calamagrostis arenaria subsp. arundinacea, Psamma arenaria
Native Plants · Ornamental Grass · Coastal · Sand Dune · Erosion Control · Wind-Tolerant · Salt-Tolerant · Groundcover · Perennial Grass · Low-Maintenance
Calamagrostis arenaria, commonly known as marram or sand reed grass, is a hardy coastal grass that stabilises sandy soils and tolerates wind and salt spray. It requires minimal care once established and thrives in well-drained sandy soils with moderate watering. This grass is an excellent choice for coastal gardens, dune restoration, or erosion control projects.
Growing conditions
The details behind the basics
- Daily light
- 4 hours
- Watering
- Water moderately, allowing soil to partially dry between waterings · Every 10-14 days
- Maintenance
- Low
- Soil pH
- 6–8.5
- Cycle
- Perennial
Form & growth
Mature size and habit
- Spacing
- 18 in apart
- Growth rate
- Moderate
- Flowers
- No
- Foliage
- Coarse
Ecology & origin
Where it belongs and what it brings
- Native to
- Albania, Algeria, Argentina Northeast, Argentina South, Baleares, Baltic States, Belgium, British Columbia, Bulgaria, California, Canary Is., Cape Provinces, Chatham Is., Chile Central, Chile South, Corse, Cyprus, Denmark, East Aegean Is., Egypt
- Attracts
- Bees, Birds
Sources: trefle, usda
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