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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:
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Other common names
plum 'Blue Rock'
Prunus can be deciduous or evergreen trees or shrubs with showy flowers in spring, and often good autumn foliage colour. Some have edible fruit in autumn, and a few species have ornamental bark
'Blue Rock' is a well-flavoured, very juicy, moderately sweet blue plum that produces regular, good crops on a neat tree. It's not self-fertile, so requires a pollination partner. Picking season is early to mid Aug . Free stone, firm flesh. Pollination group 1
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
MoistureWell-drained, Moist but well-drained
SoilLoam, Sand, Clay
Time to ultimate height
Keep a weed-free area of at least 60cm radius around trunk. Thin fruit if necessary. Irrigate in dry periods. Various training forms are possible, including fan-training
Propagate by chip budding or grafting onto a clonal rootstock for fruit. The rootstock used largely determine the vigour of the tree
Suggested planting locations and garden types
Wildlife Gardens Cottage & Informal Garden Patio & Container Plants
Pruning Pruning plums; regular pruning according to tree form. Annual pruning required for espaliers, cordons and pruning established fans
Pests Can get aphids, caterpillars, fruit tree red spider mite, brown scale, plum moth and bullfinches
Susceptible to silver leaf
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Join the RHS today and get 12 months for the price of 9