| | | Family | Geraniaceae | | Plant Type | herbaceous perennial | | Zone | USDA: 5a - 7b RHS: H EGF: H1 - H3 Australia: 1 | | Care Level | medium | | Height | 30 - 45 cm (12 - 18 in) | | Spread | 30 - 45 cm (12 - 18 in) | | Light | full sun to partial shade | | Soil Moisture | average, well-drained | | Soil Type | | | Soil pH | | | | Description | The herbaceous perennial Geranium clarkei (hardy geranium) bears showy blossoms during early summer to mid summer. | | Special Characteristics | This herbaceous perennial attracts butterflies to your garden. | | Cautions | Where conditions are favourable, Geranium clarkei (hardy geranium) can be invasive and may require maintenance to keep it under control. | | |