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Alpine RockeryShrubs

Kalmia buxifolia
  • RHS AGM

sand myrtle

K. buxifolia is a compact, rounded dwarf evergreen shrub to 25cm in height, with tiny, glossy ovate leaves. Flowers 6mm width, in clusters, opening white from pink buds in late spring and early summer

Synonyms
Leiophyllum buxifolium
Ledum buxifolium
Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
10–20 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid
Colour & scent
StemFlowerFoliageFruit
Spring Pink White Green
Summer Pink White Green
Autumn Green
Winter Green
Position
  • Full shade
  • Partial shade
Aspect

North–facing or East–facing

Exposure
Sheltered
Hardiness
H4
Botanical details
Family
Ericaceae
Native to the UK
No
Foliage
Evergreen
Habit
Bushy
Potentially harmful
Harmful if eaten. Wear gloves and other protective equipment when handling
Genus

Kalmia are evergreen shrubs with simple, leathery leaves and racemes or corymbs of bowl-shaped flowers in spring or summer

Name status

Correct

How to grow

Cultivation

Grow in humus-rich, moist but well-drained, acid soil in partial or deep shade. In frost-prone areas, protect from cold, drying winds. Can spread widely due to suckers

Propagation

Propagate by seed sown in pots in spring, sow on surface of compost and place pots outdoors. Propagate by potting up rooted suckers in spring

Suggested planting locations and garden types
  • Patio and container plants
  • City and courtyard gardens
  • Cottage and informal garden
  • Rock garden
  • Flower borders and beds
  • Underplanting of roses and shrubs
Pruning

Pruning group 8

Pests

Generally pest-free

Diseases

May be susceptible to honey fungus in gardens where it is present but insufficient data to determine degree of susceptibility

Get involved

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