About
This compact, evergreen shrub to around 1.5m tall with glossy green foliage. In late spring and early summer clusters of flowers opening from red buds have deep red petals that are paler on their reverse and are edged with white.
About the genus
Kalmia are evergreen shrubs with simple, leathery leaves and racemes or corymbs of bowl-shaped flowers in spring or summer
Growing conditions
SunlightFull sun, Partial shade
Soil typeClay, Loam, Sand
Soil pHAcid, Neutral
Soil moistureMoist but well-drained
AspectEast-facing, North-facing, South-facing, West-facing
ExposureExposed, Sheltered
UK hardinessH6
Plant details
Plant typeShrubs
HabitBushy
FoliageEvergreen
Height1-1.5 metres
Spread1-1.5 metres
Time to full height10-20 years
Suggested usesCottage and informal garden, City and courtyard gardens, Wildlife gardens
ToxicityHarmful 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
Care notes
CultivationGrow 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
PruningPruning group 8
PropagationPropagate by semi-ripe cuttings in midsummer
Pest resistanceGenerally pest-free
Disease resistanceMay be susceptible to honey fungus in gardens where it is present but insufficient data to determine degree of susceptibility