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AquaticBogsGrass Like

Acorus gramineus 'Hakuro-nishiki' (v)

slender sweet flag 'Hakuro-nishiki'

A compact, semi-evergreen marginal aquatic perennial, with bright yellow and green variegated foliage

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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Clay
Loam
Moisture
Poorly–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Cream Green Variegated Yellow
Summer Brown Cream Green Variegated Yellow
Autumn Cream Green Variegated Yellow
Winter Cream Green Variegated Yellow
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Sheltered
Hardiness
H6
Botanical details
Family
Acoraceae
Native to GB / Ireland
No
Foliage
Semi evergreen
Habit
Tufted
Genus

Acorus are deciduous or semi-evergreen, moisture-loving rhizomatous perennials forming tufts of linear or sword-shaped leaves, with insignificant spike-like flowers borne near the tips of central leaf-like stems

Name status

Accepted

How to grow

Cultivation

Easy to grow in wet or very moist fertile soils. Can be planted in baskets in shallow water. 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 advice

Propagation

Propagate by rhizome division at the beginning of the growing season. Pot up and plant out only when fully established

Suggested planting locations and garden types
  • Cottage and informal garden
  • Low Maintenance
Pruning

Cut back after flowering

Pests

Generally pest-free

Diseases

Generally disease-free

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