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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
butterfly flower butterfly root
butterfly weed chieger flower flux root Indian paintbrush Indian potato orange root pleurisy root swallow root tuber root white root wind root windward root
Asclepias can be evergreen or deciduous perennials or subshrubs, with simple, entire leaves and umbel-like clusters of small, distinctively shaped flowers followed by paired fruits containing seeds embedded in silky fibres
A. tuberosa is a tuberous, hairy perennial with cymes of orange-red, sometimes orange or yellow flowers, from midsummer to early autumn, followed by fruit
Toxicity All parts, particularly the roots, may cause mild stomach upset if ingested
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
SoilSand, Clay, Loam
Time to ultimate height
Grow outdoors in fertile well-drained loamy soil in full sun. Attractive to bees and ideal for a border or wildflower garden
Propagate by seed, propagate by division or root basal cuttings in spring
Suggested planting locations and garden types
Flower borders and beds Cut Flowers
Sub-tropical Wildflower meadow
Pruning No pruning required
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.