About
Acorus gramineus is a low-growing, semi-evergreen perennial that thrives at the water's edge. It features dense clumps of slender, green leaves that reach up to 30 cm in height. This plant is well-suited for marginal aquatic settings.
About the genus
Acorus comprises deciduous or semi-evergreen perennials that thrive in moist environments. These plants develop clumps of linear or sword-shaped foliage. Near the tips of their central, leaf-like stems, they produce small, spike-like flowers that are not particularly prominent.
Growing conditions
- Sunlight
- Full sun
- Soil type
- Chalk, Clay, Loam
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Poorly-drained
- Aspect
- South-facing, West-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H6
Plant details
- Plant type
- Herbaceous Perennial, Grass Like, Aquatic
- Habit
- Clump forming
- Foliage
- Semi evergreen
- Height
- 0.1-0.5 metres
- Spread
- 0.1-0.5 metres
- Time to full height
- 2-5 years
- Suggested uses
- Cottage and informal garden
- Native to
- E Himalaya to Japan & Philippines
Care notes
- Cultivation
- Easy to grow in wet or very moist fertile soils. Can be planted in baskets in shallow water up to 10cm deep. It also makes a useful aquarium plant but is short-lived where water temperatures exceed 22°C for long periods. Divide every few years to prevent congestion. See pond plants and bog gardens for further information
- Pruning
- Tidy old or damaged foliage in early spring if necessary
- Propagation
- Propagate by division, in spring
- Pest resistance
- Generally pest-free
- Disease resistance
- Generally disease-free