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Shrubs

Kalmia latifolia 'Galaxy'

mountain laurel 'Galaxy'

Bushy evergreen shrub 1.5-1.8m high with lance-shaped, glossy dark green leaves. From late spring to midsummer it produces white buds that open to burgundy-red, star-shaped flowers, with five deeply separated lobes outlined in white with a small ring of white in the centre of the flower. The flowers are distinctive and unusual for this species

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Ultimate height

1.5–2.5 metres

Time to ultimate height

5–10 years

Ultimate spread

1.5–2.5 metres

Clay

Loam

Moisture

Moist but well–drained

pH

Acid

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

East–facing or North–facing or West–facing

Exposure

Exposed or Sheltered

Hardiness
Hardiness ratings
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H1a: under glass all year (>15C)
H1b: can be grown outside in the summer (10 - 15)
H1c: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20)

Botanical details

Family: Ericaceae
Native to GB / Ireland: No
Foliage: Evergreen
Habit: Bushy
Potentially harmful: Harmful if eaten. Wear gloves and other protective equipment when handling. Pets (dogs, cats, rabbits, tortoises): Harmful if eaten. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Genus: Kalmia are evergreen shrubs with simple, leathery leaves and racemes or corymbs of bowl-shaped flowers in spring or summer
Name status: Accepted

How to grow

Cultivation

Grow in moist but well-drained acidic soil in partial shade, or in sun where the soil remains reliably moist; mulch in spring with leaf mould or well-rotted pine needles

Propagation

Propagate by semi-ripe cuttings in midsummer or layering in late summer

Suggested planting locations and garden types

Cottage and informal garden
Wildlife gardens
Low Maintenance
Flower borders and beds
Hedging and screens

Pruning

Pruning group 8. Renovate, if necessary, over several seasons

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

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