About
A tender perennial grown as an annual, to 60cm tall with oval, lightly hairy green leaves. Produces double, scarlet red flowers to 10cm across, on well-branched stems from summer into autumn.
About the genus
Zinnia can be annuals, perennials or sub-shrubs, with branching stems bearing opposite leaves and solitary terminal flower-heads in summer
Growing conditions
SunlightFull sun
Soil typeChalk, Clay, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained, Well-drained
AspectSouth-facing
ExposureSheltered
UK hardinessH2
Plant details
Plant typeAnnual Biennial
HabitBushy
FoliageDeciduous
Height0.5-1 metres
Spread0.1-0.5 metres
Time to full height1 year
Suggested usesCity and courtyard gardens, Cottage and informal garden, Patio and container plants
Care notes
CultivationGrow in fertile, well drained soil in full sun. Growing in an open position with good spacing between plants can help to minimise fungal problems
PruningDeadhead to promote flowering
PropagationPropagate by seed sown in spring, sow in succession for a longer display
Pest resistanceGenerally pest-free
Disease resistanceMay be susceptible to foot and root rot, grey moulds, fungal leaf spot and powdery mildews