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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:
This plant will provide nectar and pollen for bees and the many other types of pollinating insects.
It is included in an evolving list of plants carefully researched and chosen by RHS experts. Divided into 3 groups these lists, linked below, are maintained by a team of RHS staff and are reviewed annually.
the RHS today and get 12 months for the price of 9
Other common names
Thomson's red-hot poker 'Stern's Trip'
Kniphofia thomsonii var. snowdenii triploid variety Kniphofia thomsonii var. thomsonii triploid variety
Kniphofia may be evergreen or herbaceous perennials, with linear or strap-shaped leaves and erect stems bearing a dense raceme of tubular, usually pendent flowers
'Stern's Trip' is a deciduous perennial with low-growing sparse foliage. The flowers are pale orange, opening from darker buds, widely-spaced on 1m tall stems, and produced from midsummer to mid-autumn
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
Aspect South-facing or West-facing
Exposure Exposed or Sheltered
MoistureMoist but well-drained
pHAcid, Neutral, Alkaline
Time to ultimate height
Best grown in a sandy soil that has been enriched with humus, but any deep, moist but well-drained soil will do. Full sun is best; can tolerate partial shade but flowering is reduced
Propagate by division of established clumps in late spring. Propagate by taking offshoots from the crown
Suggested planting locations and garden types
Flower borders and beds
Coastal Cottage & Informal Garden
Pruning Old flower stems can be cut down after flowering
Pests Can be damaged by slugs and snails
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.
Join the RHS today and get 12 months for the price of 9