About
This erect annual with ovate, stem-clasping leaves and solitary yellow flowers 5-7cm across in late summer and early autumn, the large central disk brown.
About the genus
Rudbeckia may be annuals, biennials or rhizomatous herbaceous perennials, with simple or pinnately divided leaves and large daisy-like flower-heads with yellow or orange rays surrounding a prominent conical disk
Growing conditions
SunlightFull sun, Partial shade
Soil typeChalk, Clay, Loam
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained
AspectEast-facing, South-facing
ExposureExposed, Sheltered
UK hardinessH7
Plant details
Plant typeAnnual Biennial
HabitBushy
FoliageDeciduous
Height0.5-1 metres
Spread0.1-0.5 metres
Time to full height1-2 years
Suggested usesCottage and informal garden, Prairie planting, City and courtyard gardens, Coastal, Wildlife gardens
Care notes
CultivationGrow in moderately fertile heavy, moist but well-drained soil that does not dry out, in full sun or partial shade
PruningCut back after flowering
PropagationPropagate by seed sown at 16-18°C in early spring
Pest resistanceMay be susceptible to slugs
Disease resistanceGenerally disease-free