Join the RHS today and support our charitable work
Keep track of your plants with reminders & care tips – all to help you grow successfully
For the latest on RHS Shows in 2020 and 2021, read more
RHS members get reduced ticket prices
RHS members get free access to RHS Gardens
Free entry to RHS members at selected times »
Reduced prices on RHS Garden courses and workshops
020 3176 5800
Mon – Fri | 9am – 5pm
Help us achieve our goals
Join the RHS today and support our charity
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
broad-leaved everlasting pea everlasting pea
hardy sweet pea perennial pea
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
L. latifolius is a vigorous climbing herbaceous perennial to 2m, with winged stems and paired grey-green leaflets bearing tendrils. Flowers 2-3cm in width, vivid purplish-pink, in racemes of 5-11
C&S Europe & N Africa
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 West-facing
MoistureWell-drained, Moist but well-drained
SoilSand, Clay, Loam, Chalk
pHAcid, Alkaline, Neutral
Time to ultimate height
Can be grown as a climber or allowed to scramble over banks and slopes. It copes with sun or partial shade in fertile well-drained soil. See sweetpea cultivation for further information
Propagate by seed
Suggested planting locations and garden types
Drought Resistant Wall-side Borders Banks and Slopes
Pruning Cut back to ground level in autumn
Pests May be attacked by aphids, slugs and snails
May be affected by powdery mildews, Fusarium wilt and sweet pea viruses
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.