Saponaria x olivana (Cushion Soapwort)
Botanical Information
| Family | Caryophyllaceae |
| Genus | Saponaria |
| Species | x olivana |
| Category | Perennials |
Details
| USDA Hardiness Zone | 7b - 8a |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | 7 |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H5 |
| RHS Hardiness Ref. | |
| Temperature (°C) | -15 - (-9) |
| Temperature (°F) | 5 - 15 |
| Growth | Slow |
| Flowering Period | June |
Description and Growing Information
| Notable Specimens | RHS Garden Rosemoor, North Devon, England. |
Photographs
Awards
