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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 'Monty Don'
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
'Monty Don' is a twining, annual climber to 2m tall with fragrant dark maroon flowers 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
MoistureMoist but well-drained
SoilLoam, Chalk, Sand, Clay
pHNeutral, Alkaline, Acid
Time to ultimate height
Plant out seedlings 20-30cm apart after the final spring frost in well-drained but moisture-retentive humus-rich soil in full sun or very light dappled shade, and provide support. See sweetpea cultivation
Propagate by seed: in milder areas sow during autumn, and overwinter the young plants in a cold frame or unheated glasshouse, or in colder areas sow in late March or April; plant out after the final spring frost
Suggested planting locations and garden types
Flower borders and beds Cut Flowers Hedging & Screens Wall-side Borders
Cottage & Informal Garden City & Courtyard Gardens
Pruning For a long and regular supply of blooms, cut flowers frequently, before they produce seed pods
Pests May be affected by aphids, slugs and snails
May be affected by powdery mildews, leafy gall, and sweet pea 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.