About
The wiry stems bear an abundant froth of large pink-tinted, two-spurred flowers in succession from summer to early autumn. A compact, bushy, borderline hardy perennial with a lax habit and small mid-green, oval, semi-evergreen leaves. Height around 15cm (6in)
About the genus
Diascia can be annuals or semi-evergreen perennials, usually making a mat of neat foliage with racemes of cup or bell-shaped flowers, usually in shades of pink, and each with two short spurs
Growing conditions
SunlightFull sun, Partial shade
Soil typeChalk, Clay, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained, Well-drained
AspectEast-facing, South-facing, West-facing
ExposureSheltered
UK hardinessH3
Plant details
Plant typeBedding, Herbaceous Perennial
HabitClump forming, Matforming
FoliageSemi evergreen
Height0.1-0.5 metres
Spread0.1-0.5 metres
Time to full height1 year
Suggested usesCity and courtyard gardens, Cottage and informal garden, Hanging basket, Patio and container plants, Rock garden
Care notes
CultivationGrow in fertile, moist but well-drained soil in full sun or partial shade. Water in dry periods. Provide protection from frosts This plant was included in the RHS Diascia (twinspur) perennial trial 2024-2025
PruningNo pruning required. Cut back old stems to ground level in spring.
PropagationPropagate by softwood cuttings in spring, or semi-ripe cuttings in summer.
Pest resistanceMay be susceptible to slugs and snails
Disease resistanceGenerally disease-free