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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
peppermint 'Black Mitcham'
Mentha × piperita 'Mitcham'
Mentha are aromatic, rhizomatous perennials with opposite, toothed leaves and small tubular flowers in spikes of whorls in summer
'Black Mitcham' is a spreading perennial to 40cm tall and 90cm wide with strongly aromatic, oval, pointed and toothed dark green leaves flushed with bronze and dark red. Small, pale purple flowers form dense terminal spikes from summer into autumn
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 or East-facing
Exposure Sheltered or Exposed
MoistureMoist but well-drained, Poorly-drained
SoilClay, Loam, Chalk, Sand
pHAcid, Alkaline, Neutral
Time to ultimate height
Grow in a poor, moist soil in full sun. Restrict its spread by planting in deep containers and plunging them into the soil, or by growing in small, contained beds
Divide plants in spring or autumn. Softwood cuttings may be taken in spring. Pieces of rhizome can be potted up at any time in the growing season and grown on until established then planted out
Suggested planting locations and garden types
City & Courtyard Gardens Cottage & Informal Garden Patio & Container Plants
Pruning Cut back old stems at the end of the year to ground level
Pests Generally trouble free
Powdery mildews and rust diseases can be troublesome
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.