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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:
the RHS today and get 12 months for the price of 9
Other common names
bishop's cap bishop's mitre
bishop's hood monk's hood
Astrophytum are compact perennial cacti with ribbed, spherical or columnar stems bearing woolly, sometimes also shortly spiny areoles, and large, solitary, funnel-shaped flowers in summer, followed by red or green berries
A. myriostigma is a cactus forming a spherical or shortly columnar, ribbed grey-green spineless plant to 20cm tall; light yellow flowers 5cm across, sometimes reddish in centre, open in summer
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
Time to ultimate height
Under glass grow in cactus compost with added limestone chippings, in bright filtered light. Lightly water in growing season but keep dry when dormant. In warmer climates outdoors grow in sharply drained, poor, slightly alkaline soil in full sun.
Propagate by seed sown at 21°C (70°F) in early spring
Suggested planting locations and garden types
Patio & Container Plants
Pruning No pruning required
Pests mealybugs may be a problem
Generally disease free
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
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Join the RHS today and get 12 months for the price of 9