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:
the RHS today and get 12 months for the price of 9
Other common names
Aristolochia can be shrubs or herbaceous perennials, many climbing, usually with heart-shaped or ovate leaves. Distinctive flowers have an S-shaped calyx tube and no petals, and are may be white, yellow, brown or maroon, often mottled
A. littoralis is an evergreen climber with twining stems bearing broadly heart-shaped, greyish leaves and curiously shaped, brownish-purple flowers 10cm long, heavily veined with creamy-white
S America, naturalized C America, S United States
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
Aspect West-facing or East-facing or North-facing
MoistureMoist but well-drained
Time to ultimate height
Under glass grow in loamless potting compost in bright filtered light. During the growing season water freely and apply a balanced liquid fertiliser monthly; water more sparingly in winter.
Root softwood cuttings in early spring. Propagate by seed at 21-24°C (70-75°F) as soon as ripe or in spring.
Suggested planting locations and garden types
Pruning Pruning group 11
Pests Generally trouble free
Generally trouble 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