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Annual/Biennial or Climber/Wall Shrub
Climbing
Flower
Acute ingestion may cause mild stomach upset
old H4 (hardy)
Purple and White in Autumn and Summer
Green in Autumn and Summer
1.5-2.5 metres
0.1-0.5 metres
1-2 years
sweet pea 'Toby Robinson'
Papilionaceae
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
'Toby Robinson' is a vigorous annual climber to 2m, with fragrant white flowers 6cm across, the petals flushed with bright purple towards the centre and margins
Suppliers listed in RHS Plant Finder
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
City/Courtyard Gardens, Cottage/Informal Garden, Flower borders and beds, Cut Flowers or Wall-side Borders
Deadhead regularly and cut back after flowering
May be attacked by aphids, slugs, snails and thrips
May be subject to powdery mildew, Fusarium wilt, foot rot, root rot and a virus
© The Royal Horticultural Society 2011 / RHS Registered Charity № 222879/SC038262