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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.
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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
Mammillaria are spiny cacti with spherical or columnar stems, often in clusters, with many prominent tubercles, and funnel-shaped flowers usually in a ring near the apex of the stem
M. magnimamma is a clump-forming perennial cactus. Tubby and spherical green stems are covered with tubercles (nodules), white spines and wool. Stems may reach 30cm in height. Small, funnel-shaped flowers, borne in spring and perhaps again in late summer, near the crowns are usually pink, but may also be red or cream
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
Time to ultimate height
Requires full sun and a well-drained potting medium. Minimum temperature of 5°C, so could be put outdoors in summer. See cacti and succulent cultivation
Propagate by potting up offsets or by propagate by seed in spring or summer
Suggested planting locations and garden types
Low Maintenance Drought Resistant
Patio & Container Plants City & Courtyard Gardens Architectural
Pruning None required
Pests May be subject to the usual heated glasshouse pests such as mealybugs
Sharp drainage and keeping completely dry in winter will prevent rots
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
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