About
Diascia megathura is a Diascia producing the characteristic mats of neat foliage and racemes of cup-shaped, twin-spurred pink flowers of the genus over a long season. A rewarding plant for a sunny border or container.
About the genus
Diascia are annuals and semi-evergreen perennials with mats of neat foliage and racemes of cup or bell-shaped flowers, usually in shades of pink, each with two short spurs. Popular and free-flowering plants for sunny borders and containers.
Growing conditions
SunlightFull sun
Soil typeChalk, Clay, Loam, Sand
Soil pHAlkaline, Neutral
Soil moistureWell-drained
AspectEast-facing, North-facing, South-facing, West-facing
ExposureExposed, Sheltered
UK hardinessH7
Plant details
Plant typeHerbaceous Perennial
HabitTufted
FoliageEvergreen
Height0.1-0.5 metres
Spread0.1-0.5 metres
Time to full height2-5 years
Suggested usesCity and courtyard gardens, Cottage and informal garden, Patio and container plants, Wildlife gardens, Gravel garden
Native toEurasia
FragranceFlower
ToxicityHumans/Pets: Skin allergen, wear gloves and other protective equipment when handling. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Care notes
CultivationGrow in any well-drained soil, ideally slightly alkaline, in good light
PruningDeadhead regularly to prolong flowering
PropagationPropagate by seed sown in spring, or by softwood cuttings of non-flowering shoots in summer
Pest resistanceMay be susceptible to slugs and aphids
Disease resistanceMay be susceptible to powdery mildews, a rust, a virus and fusarium wilt