About
A perennial plant with vivid green foliage and stiff, upright stems to about 1m, bearing racemes of dusky pink flowers, with a darker red-pink throat and yellowish anthers, over a long flowering period.
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
Soil typeChalk, Loam, Sand
Soil pHAlkaline, Neutral
Soil moistureMoist but well-drained
AspectWest-facing, South-facing
ExposureSheltered
UK hardinessH4
Plant details
Plant typeHerbaceous Perennial
HabitColumnar upright
FoliageSemi evergreen
Height0.1-0.5 metres
Spread0.5-1 metres
Time to full height1-2 years
Suggested usesCity and courtyard gardens, Cottage and informal garden, Patio and container plants
Care notes
CultivationGrow in fertile, moist but well-drained soil in full sun This plant was included in the RHS Diascia (twinspur) perennial trial 2024-2025
PruningDeadhead regularly
PropagationPropagate by seed, propagate by division, softwood cuttings in spring or semi-ripe cuttings in summer
Pest resistanceMay be susceptible to slugs and snails
Disease resistanceGenerally disease-free