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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:
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
flowering bush coleus
Plectranthus can be annuals, evergreen perennials or shrubs, with opposite, ovate or heart-shaped, sometimes fleshy leaves, and 2-lipped, tubular flowers borne in whorls forming spikes or panicles
P. thyrsoideus is a bushy evergreen perennial with heart-shaped, round-toothed leaves to 10cm long, and spikes of bright blue flowers 1cm long, mostly in winter
Tropical E Africa
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
MoistureMoist but well-drained, Well-drained
SoilSand, Chalk, Loam
pHAcid, Alkaline, Neutral
Time to ultimate height
Grow under glass in areas prone to frost; may be grown outside in the summer. Use a John Innes No 2 compost and position in dappled shade. Apply a balanced liquid fertiliser once a month and water freely. In winter much less water is required
Propagate by seed in temperatures of 19-24°C (66-75°F) when they are ripe. Can also be propagated by softwood cuttings any time of year
Suggested planting locations and garden types
Patio & Container Plants
Pruning Pinch out tips of young plants to encourage bushy growth
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.