Rudbeckia fulgida var. sullivantii 'Goldstrum' (Goldstrum Black-eyed Susan)
Botanical Information
| Family | Asteraceae |
| Genus | Rudbeckia |
| Species | fulgida |
| Variety | sullivantii |
| Cultivar | 'Goldstrum' |
| Category | Perennials |
| Origin | 1999 Perennial Plant of the Year ™ |
Details
| USDA Hardiness Zone | 3 |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | 1 |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H7 |
| RHS Hardiness Ref. | |
| Temperature (°C) | -37 -(-35) |
| Temperature (°F) | -35 -(-30) |
| Height | 50-55 cm |
| Spread | 50 cm |
| Growth | Fast |
| Flowering Period | July, August |
Description and Growing Information
| Pests | Septoria leaf spot and powdery mildew. |
| Notable Specimens | The Gardens of Fanshawe College, London, Ontario, Canada. |
| Habitat | Dry, dessert like regions. |
Photographs
