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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
sweet pea 'Colin Unwin'
Lathyrus can be annuals or herbaceous or evergreen perennials, mostly climbing, with pinnate leaves ending in a tendril, and showy pea-like flowers, fragrant in some species
'Colin Unwin' is a strong-growing annual climber to 2m, with almost scentless flowers to 6cm across, the standards salmon-red, the wing petals a very slightly redder shade
Toxicity Acute ingestion may cause mild stomach upset
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 East-facing
Exposure Sheltered or Exposed
pHAcid, Neutral, Alkaline
Time to ultimate height
Grow in humus-rich, fertile, well-drained soil in full sun or light dappled shade. Incorporate well-rotted organic manure before planting and apply a balanced liquid fertilizer every two weeks when in growth. Deadhead regularly
Propagate by seed. Sow in a cold frame in early autumn, early spring or in-situ in mid-spring
Suggested planting locations and garden types
Flower borders and beds Cut Flowers Wall-side Borders
City & Courtyard Gardens Cottage & Informal Garden
Pruning Deadhead regularly and cut back after flowering
Pests May be attacked by aphids, slugs, snails and thrips
May be subject to powdery mildew, Fusarium wilt, foot rot, root rot and a virus
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.