Madagascar Periwinkle
Catharanthus roseus
Family: Apocynaceae
Madagascar Periwinkle grows in full sun to partial shade and prefers fertile, well-drained soil. Water needs: Low to moderate.
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How to Grow Madagascar Periwinkle
Madagascar Periwinkle growing information includes sunlight requirements of Full sun to partial shade, soil conditions listed as Fertile, well-drained soil with a soil pH of 5.5-6.5, and Low to moderate water needs. The listed hardiness zones are 10-11 perennial; annual elsewhere. For propagation reference, the database lists germination or establishment information for Madagascar Periwinkle as 7-21 days, with planting or establishment depth listed as 1/4 inch. Days to maturity are listed as 70-90 days to flowering.
Plant Overview
Madagascar Periwinkle (Catharanthus roseus) is listed in the Apocynaceae family and categorized as a flower with a tender perennial commonly grown as an annual life cycle. This profile summarizes growing information for hardiness, light, soil, water, seed starting, maturity, and other available cultivation details. Difficulty is listed as Easy.
- Plant ID
- PLT-0196
- Family
- Apocynaceae
- Plant type
- Flower
- Life cycle
- Tender perennial commonly grown as an annual
- Difficulty
- Easy
Growing Conditions
Madagascar Periwinkle is listed for full sun to partial shade conditions. Water needs are listed as low to moderate. The database soil reference is Fertile, well-drained soil. The listed soil pH range is 5.5-6.5, and the listed hardiness range is 10-11 perennial; annual elsewhere.
- Hardiness zones
- 10-11 perennial; annual elsewhere
- Sunlight
- Full sun to partial shade
- Soil
- Fertile, well-drained soil
- Soil pH
- 5.5-6.5
- Water needs
- Low to moderate
Seed & Germination
For seed starting, the listed germination time is 7-21 days and the seed depth is 1/4 inch. The listed time to maturity is 70-90 days to flowering. Use these values as general reference points and adjust for local climate, seed source, and growing conditions.
- Germination
- 7-21 days
- Seed depth
- 1/4 inch
Harvest & Propagation
- Days to maturity
- 70-90 days to flowering
Garden Information
- Toxicity / cautions
- Toxic if ingested; keep away from children and pets
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Growing Reference Note
Plant performance can vary with climate, soil, weather, cultivar, seed quality, and gardening methods. The values on this page are general database reference ranges rather than a substitute for local extension guidance or seed-packet instructions.