About

A bushy annual, with single flowers 6cm wide, in a riot of brilliant colours, ranging from red, orange, pink, yellow and white, and a bicoloured form with white and pink petals. All flowers have an orange 'button-like' central disk on which a ring of small orange florets open. The flowers appear above lance-shaped, mid-green foliage, on stems up to 45cm high.

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, Loam, Sand
Soil pHAlkaline, Acid, Neutral
Soil moistureMoist but well-drained
AspectSouth-facing, West-facing
ExposureSheltered
UK hardinessH2

Plant details

Plant typeAnnual Biennial
HabitBushy
FoliageDeciduous
Height0.1-0.5 metres
Spread0.1-0.5 metres
Time to full height1 year
Suggested usesCity and courtyard gardens, Cottage and informal garden, Patio and container plants, Wildlife gardens

Care notes

CultivationGrow in well-drained, fertile, humus-rich soil in a warm, sunny position
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 resistanceGenerally disease-free. Resistant to leaf spot and powdery mildews