Annual Periwinkle Seeds – Flower Plant
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Annual Periwinkle Seeds
Annual Periwinkle is a warm-season flowering plant valued for its colorful blooms and compact growth habit. It is suitable for garden beds, borders, containers, and landscape plantings where continuous seasonal color and dependable performance are desired.
Key Features
Continuous Flowering
Produces colorful blooms throughout the growing season under suitable conditions.
Compact Growth Habit
Develops a neat and uniform form suitable for beds, borders, and containers.
Landscape Versatility
Suitable for garden beds, edging, containers, and mass plantings.
Heat Adapted
Performs well during warm weather and sunny growing conditions.
Product Highlights
Specifications
| Scientific Name | Catharanthus roseus |
| Common Name | Annual Periwinkle |
| Seed Type | Flower Seed |
| Growth Habit | Compact Annual Flower |
| USDA Zones | 2–11 |
| Planting Season | Spring |
| Growing Season | Spring Through Fall |
| Sowing Season | Late Winter, Spring |
| Sowing Months | February–May |
| Germination Time | 7–21 Days |
| Germination Conditions | 70–80°F (21–27°C) |
| Sunlight | Full Sun to Partial Shade |
| Soil | Well-Drained Soil |
| Watering | Moderate |
| Mature Size | 10–18 in Tall × 10–18 in Wide |
| Plant Spacing | 10–12 in Apart |
Growing Guide
Suitable For Containers, Borders And Landscape Plantings
Annual Periwinkle is grown for its colorful flowers and compact growth habit. It is suitable for flower beds, containers, borders, and landscape displays where warm temperatures and well-drained soil support extended seasonal flowering.