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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:
© RHS 1960
the RHS today and get 12 months for the price of 9
Other common names
black lace cactus cob cactus
lace cactus merry widow cactus
Echinocereus can have deeply ribbed cylindrical or globose stems, sometimes forming clumps, and large funnel-shaped flowers
E. reichenbachii is a cactus with erect, cylindrical, ribbed, spiny stems to 35cm in height, bearing broadly funnel-shaped rosy-purple flowers 6-9cm across in spring and early summer
NE Mexico, SW USA
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
pHAcid, Neutral, Alkaline
Time to ultimate height
Grow under glass in a loam-based potting compost with added extra grit. Water moderately when in growth, not at all when dormant. Apply a balanced liquid fertiliser 2 or 3 times in the growing season
Propagate by seed
Suggested planting locations and garden types
Pruning No pruning required
Pests mealybugs and scale insects can 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