Vinca (Madagascar Periwinkle) in Zone 7b
Catharanthus roseus
Method: Start indoors — Start indoors from seed, then transplant outside — Vinca (Madagascar Periwinkle) needs a head start most zones can't give it by direct-sowing alone.
| Start indoors | Jan 30–Feb 6 |
|---|---|
| Direct sow / transplant outside | Apr 24–May 1 |
| 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
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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)
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