Vinca (Madagascar Periwinkle) in Zone 9b
Catharanthus roseus
| Start indoors | Dec 7–Dec 14 |
|---|---|
| Direct sow / transplant outside | Mar 1–Mar 8 |
| Estimated bloom | ~80 days after transplanting |
Spacing: 1 per square foot (square-foot-gardening spacing).
Good companions
No standout companions recorded yet for Vinca (Madagascar Periwinkle).
Where to buy vinca (madagascar periwinkle) seeds
Some links on this page go to retailers we may eventually earn a commission from as an affiliate, at no extra cost to you. We only recommend products with a genuine consensus of positive, independent reviews — see the sources cited on each item.
See it growing
Search YouTube for "growing vinca (madagascar periwinkle)" videos → (a live search, not a hand-picked video — results vary and aren't vetted by us)
← Back to the full zone 9b calendar · Full companion planting guide · Full plant profile · Plan your beds in the Garden Designer →