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We have combined these two powerful search tools into a single Find a Plant service searching over 250,000 plant records.
Virtually all of the features of the old searches are still available and in addition we have added several new features to create a more comprehensive and user friendly search experience.
When using this search
Search by plant name, key attributes or both to find plant details and a list of
AGM plants have been through a rigorous trial and assessment programme. They are:
the RHS today and get 12 months for the price of 9
Other common names
mountain laurel American mountain laurel
broad-leav'd kalmia calico bush spoonwood tree
Kalmia are evergreen shrubs with simple, leathery leaves and racemes or corymbs of bowl-shaped flowers in spring or summer
K. latifolia is a dense, bushy, medium-sized evergreen shrub with glossy dark green leaves. Flowers in large clusters, bright pale pink, opening from deeper pink, attractively crinkled buds in late spring and early summer
Eastern N America
Toxicity Ingestion may cause severe discomfort
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
Aspect North-facing or East-facing or South-facing or West-facing
Exposure Sheltered or Exposed
MoistureMoist but well-drained
SoilLoam, Clay, Sand
Time to ultimate height
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
Propagate by semi-ripe cuttings in midsummer
Suggested planting locations and garden types
Cottage & Informal Garden
Pruning Pruning group 8
Pests Can get mealybugs and vine weevil
Generally disease free
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
We're a UK charity established to share the best in gardening. We want to enrich everyone's life through plants, and make the UK a greener and more beautiful place.
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Join the RHS today and get 12 months for the price of 9