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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:
© RHS 2002
the RHS today and get 12 months for the price of 9
Other common names
button snakewort Kansas gay feather
dense blazing star
Liatris calilepis Liatris callilipes
Liatris spicata callilepis
Liatris are herbaceous perennials with narrow, grass-like foliage and erect, bottlebrush-like spikes of flowers which open from the top down
L. spicata is a perennial to 70cm in height, with narrow foliage and purplish-pink flower spikes in late summer and early autumn
E North America
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
Exposure Exposed or Sheltered
MoistureMoist but well-drained
SoilClay, Loam, Chalk, Sand
pHAcid, Alkaline, Neutral
Time to ultimate height
Grow in light, moderately fertile soil that is reliably moist but not wet overwinter; full sun is essential
Propagate by seed sown in pots in a cold frame in autumn. Propagate by division in spring
Suggested planting locations and garden types
Flower borders and beds Cut Flowers
Prairie Planting Wildlife Gardens
Pruning Deadhead regularly then cut stems down to the ground in winter
Pests Generally pest free
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