About
This upright, deciduous perennial to around 1.5m tall with heart-shaped, toothed and lobed, softly hairy leaves. Spikes of double, cup-shaped, strong pink flowers with purple-pink centres are produced from summer into early autumn.
About the genus
× Alcalthaea are bigeneric hybrids between Alcea and Althaea. They are tall, branching, short-lived perennials with hairy foliage and spires of pink, cream or yellow flowers
Growing conditions
SunlightFull sun
Soil typeChalk, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureWell-drained, Moist but well-drained
AspectSouth-facing, West-facing
ExposureSheltered
UK hardinessH4
Plant details
Plant typeHerbaceous Perennial
HabitBushy
FoliageDeciduous
Height1-1.5 metres
Spread1-1.5 metres
Time to full height2-5 years
Suggested usesCottage and informal garden, City and courtyard gardens
Care notes
CultivationBest in fertile, well-drained soil in a sunny, sheltered position. May need staking
PruningCut down to ground once flowering is over
PropagationPropagate by softwood cuttings
Pest resistanceMay be susceptible to mallow flea beetles or aphids
Disease resistanceMay be susceptible to a rust