Vinca (periwinkle)
Flower · warm season · also called madagascar periwinkle, annual vinca, catharanthus
When to plant
- Start seeds indoors about 12 weeks before planting out.
- Plant outdoors about 3 weeks after your average last spring frost.
- Ready to harvest about 60 days after planting out.
Thrives in heat and drought where petunias and impatiens struggle. Wait for warm soil; it rots in cold, wet ground.
Frost dates depend on where you live. Enter your ZIP code to get exact dates.
Dates by zone: 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b
Growing basics
Not edible.
Harmful to pets. Poisonous to cats and dogs.
- Sun
- Full sun (6+ hours)
- Spacing
- 10–12 in
- Soil temperature
- At least 65°F
- Time to harvest
- About 60 days
- Containers
- At least 1 gallons
- Plant family
- Other
- Seeds keep
- About 2 years
Grow it well
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