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Kalmia angustifolia f. rubra AGM

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© RHS 2002

Characteristics

Plant type

Shrub

Habit

Suckering

Toxicity

Ingestion may cause severe discomfort

Resilience

Hardiness

H6 (hardy - very cold winter)

Colour

Flower

Red in Summer

Foliage

Dark Green in Autumn, Spring, Summer and Winter

Size

Ultimate height

0.5-1 metres

Ultimate spread

1-1.5 metres

Time to ultimate height

10-20 years


Preferred common name

red sheep laurel

Family

Ericaceae


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

K. angustifolia f. rubra is a suckering evergreen shrub forming a mound of erect stems with narrow leaves and clusters of deep red bowl-shaped flowers in early summer

How to grow

Sunlight

  • Part shade

Aspect

  • North-facing, East-facing, South-facing or West-facing
  • Sheltered or Exposed

Cultivation

Grow in moist but well-drained acidic soil in partial shade

Soil

  • Moist but well-drained
  • Acid or Neutral
  • Loam, Clay or Sand

Propagation

Propagate by semi-hardwood cuttings

Suggested planting locations and garden types

Low Maintenance or Cottage/Informal Garden


How to care

Pruning

Pruning group 8

Pests

Can get mealybugs and vine weevil

Diseases

Generally disease free