Join the RHS today and support our charity
Free personalised gardening advice
RHS members get reduced ticket prices
RHS members get free access to RHS Gardens
Reduced prices on RHS Garden courses and workshops
020 3176 5800
Mon – Fri | 9am – 5pm
Help us achieve our goals
Make a donation
I have forgotten my password
Keep me signed in
Register for free to receive our newsletters, add comments to blogs/articles and to save content.
See what events are on near you and browse your bookmarked pages.
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.
© Dorling Kindersley Ltd
the RHS today and get 12 months for the price of 9
Other common names
Mrs Robb's bonnet
Euphorbia can be annuals, perennials, shrubs or succulents, with milky sap and small flowers held within cupped, often colourful bracts
E. amygdaloides var. robbiae is a spreading evergreen perennial to 50cm in height, forming colonies of rosettes of oblong, dark green leaves from which arise large rounded sprays of yellow-green flowers
Europe, SW Asia
Toxicity All parts are highly toxic by ingestion
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
Aspect East-facing or West-facing or South-facing
Exposure Exposed or Sheltered
MoistureMoist but well-drained, Well-drained
SoilChalk, Loam, Sand
pHAcid, Alkaline, Neutral
Time to ultimate height
An easy-to-grow plant that will cope with most conditions even dry shade. It spreads by rhizomes and can be invasive
Propagate by division in spring
Suggested planting locations and garden types
Flower borders and beds Ground Cover Low Maintenance
City & Courtyard Gardens Coastal Cottage & Informal Garden
Pruning Cut back flowering shoots to ground level in late summer or autumn
Pests Aphids may be a problem
May be subject to grey moulds
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
Mrs Robb's bonnet
Buy from £5.99 at the RHS Plants Shop
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