species
Rudbeckia fulgida
Black-eyed Susan
Scale drawing from this record, beside a 1.7 m figure.
Rudbeckia fulgida belongs to the family Asteraceae, also known as Black-eyed Susan, introduced to the UK. It reaches 90 cm tall and 50 cm across in about 10 years. It grows in full sun, on loam or clay soil, where the ground is acid, neutral or alkaline and in moist or well drained conditions, and suits average positions. It flowers from August to October. Its RHS hardiness rating is H7 (very hardy): Below −20°C.
Assembled from the attributes recorded below.
What this plant needs
- Size at maturity
- 90 cm tall × 50 cm across, after about 10 years
- Hardiness
- H7 (RHS)
- Aspect
- Full sun
- Soil
- Loam, Clay
- Acidity
- Acid, Neutral, Alkaline
- 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
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