Help us achieve our goals:
make a donation »
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
Make a donation
Join the RHS today and support our charity
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.
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 1970
the RHS today and get 12 months for the price of 9
Other common names
elephant's foot Hottentot bread
Dioscorea can be evergreen or deciduous, twining perennials with tuberous roots and simple or palmate leaves and small bell-shaped greenish or yellow flowers in racemes from the leaf axils
D. elephantipes is a deciduous climbing perennial growing from a large, partly exposed, rugged woody tuber, with heart-shaped blue-green leaves and racemes of tiny yellow flowers
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 East-facing
pHAcid, Alkaline, Neutral
Time to ultimate height
Under glass grow in gritty, very well-draining potting compost mulched with grit in full light. Water moderately when in growth and apply a balanced liquid fertiliser every two or three weeks; keep completely dry in winter. Suitable for a desert garden
Propagate by seed at 19 to 24 °C in spring or take softwood cuttings as young shoots arise from the tuber in spring
Suggested planting locations and garden types
Patio & Container Plants
Pruning Pruning group 11 in spring
Pests Aphids may be a problem
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