About
A spreading, deciduous perennial up to 1.5m tall and 2m wide forming clumps of erect, dark stems bearing deeply divided leaves and, from late summer into autumn, pyramidal spikes of bright yellow flowers followed by fluffy, light brown seedheads.
About the genus
Sinacalia comprises a group of plants, ranging from herbaceous perennials to shrubs or small trees. Species within the genus display a variety of growth habits and are cultivated for their decorative or practical qualities
Growing conditions
SunlightFull sun, Partial shade
Soil typeLoam, Clay
Soil pHAcid, Alkaline, Neutral
Soil moisturePoorly-drained
AspectSouth-facing, West-facing
ExposureExposed, Sheltered
UK hardinessH5
Plant details
Plant typeHerbaceous Perennial, Bogs
HabitClump forming
FoliageDeciduous
Height1-1.5 metres
Spread1.5-2.5 metres
Time to full height2-5 years
Suggested usesCottage and informal garden
Native toChina
Care notes
CultivationGrow in deep, fertile, reliably moist soil ideally in full sun with some shade at mid-day
PruningCut back after flowering or leave seed heads for winter interest and cut back in early spring
PropagationPropagate by division or by seed
Pest resistanceMay be susceptible to slugs and snails
Disease resistanceGenerally disease-free