About
This upright, sparsely branched annual to 1m, with rough, bristly stems and leaves and single, daisy-like flowers in shades of red, orange, deep pink or yellow in summer and 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
AspectWest-facing, South-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, Coastal, Cottage and informal garden, Patio and container plants, Sub-tropical, Wildlife gardens
Native toS USA to Arg.
Care notes
CultivationGrow in humus-rich, well-drained, fertile soil in full sun. Best grown in an open situation to minimise problems with powdery mildew
PruningDeadhead to prolong flowering
PropagationPropagate by seed sown in pots in spring, or in warm areas, sown in situ in late spring
Pest resistanceGenerally pest-free
Disease resistanceMay be susceptible to grey moulds, powdery mildews and a leaf spot