About
Rudbeckia laciniata, the cut-leaved coneflower, is a rhizomatous perennial producing tall, wiry stems above deeply divided foliage, bearing yellow, daisy-shaped flowerheads with drooping yellow petals and green central discs from late summer. A bold and ornamental plant for a sunny, moist border.
About the genus
Rudbeckia, the coneflowers, are annuals, biennials and rhizomatous herbaceous perennials with simple or pinnately divided leaves and large, daisy-like flowerheads with yellow or orange ray petals surrounding a prominent, conical, brown or green disk. Popular and long-flowering plants for sunny, well-drained borders.
Growing conditions
SunlightFull sun
Soil typeClay, Loam
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained
AspectSouth-facing, West-facing, East-facing
ExposureSheltered
UK hardinessH6
Plant details
Plant typeHerbaceous Perennial
HabitColumnar upright
FoliageDeciduous
Height1.5-2.5 metres
Spread1.5-2.5 metres
Time to full height2-5 years
Suggested usesCottage and informal garden, Prairie planting, Wildflower meadow
Native toN America
Care notes
CultivationSuitable for larger gardens. Spreading rhizomes means it can have invasive tendencies
PruningCut back in autumn
PropagationDivide plants by separating rhizomes in spring or late autumn
Pest resistanceGenerally pest-free
Disease resistanceGenerally disease-free