| | | Family | Compositae | | Plant Type | herbaceous perennial | | Zone | USDA: 5a - 9b RHS: H - FH EGF: H1 - H5 Australia: 1 - 3 | | Care Level | low, easy, suitable for beginners. | | Height | 1.2 - 1.8 m (4 - 6 ft) | | Spread | 30 - 60 cm (1 - 2 ft) | | Light | full sun to partial shade | | Soil Moisture | average, well-drained | | Soil Type | | | Soil pH | | | | Description | The herbaceous perennial Silphium gracile (slender rosinweed) bears showy flowers during early autumn to mid autumn. | | Special Characteristics | This herbaceous perennial attracts birds and butterflies to your garden. | | |