Annual Vinca or periwinkle, known scientifically as Catharanthus roseus. Vinca Quasar™ are out of this world. The series features a selection of unique colors that will leave you star-struck. All have the exceptionally large flowers you would expect of a hybrid Vinca. Hybrid vigor and intensive breeding selections ensure excellent summer disease resistance.
| Botanical Name | Catharanthus roseus |
| Common Names | Annual vinca, Madagascar periwinkle |
| Plant Type | Herbaceous perennial, usually grown as an annual |
| Mature Size | 6 to 18 inches similar spread |
| Sun Exposure | Full sun to part shade |
| Soil Type | Sandy loam |
| Soil pH | 6.0 to 7.0 |
| Bloom Time | June to frost |
| Flower Color | White, pink, mauve, red |
| Hardiness Zones | 10 to 11 (grown as an annual elsewhere) |
| Native Area | Madagascar |
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