species
Rudbeckia laciniata
Cutleaf coneflower · Green-headed coneflower · brown-eyed Susan · Green-Head Coneflower
Scale drawing from this record, beside a 1.7 m figure.
Rudbeckia laciniata is a perennial in the family Asteraceae, also known as Cutleaf coneflower, Green-headed coneflower, brown-eyed Susan or Green-Head Coneflower, introduced to the UK. It reaches 2 m tall and 80 cm across in about 10 years. It grows in full sun or part shade, on loam or clay soil, where the ground is neutral and in moist or well drained conditions, and suits average positions. It flowers from July to September. Its RHS hardiness rating is H7 (very hardy): Below −20°C.
Assembled from the attributes recorded below.
What this plant needs
- Size at maturity
- 2 m tall × 80 cm across, after about 10 years
- Hardiness
- H7 (RHS)
- Lifecycle
- Perennial
- Aspect
- Full sun, Part shade
- Soil
- Loam, Clay
- Acidity
- Neutral
- Moisture
- Moist, Well drained
- Exposure
- Average
- In the UK
- Introduced
When it flowers
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
Plan a bed with Rudbeckia laciniata
Bloomprint draws your garden to scale and checks what will actually grow there. Your garden opens with this plant already on the plan.
Start a plan with Rudbeckia laciniata