Catharanthus roseus is a warm-season flowering plant with a compact, upright, and branching growth habit. It is well adapted to hot, sunny environments and performs reliably in dry to moderately moist conditions. This plant establishes easily from seed and is suitable for garden beds, borders, and container planting. It prefers well-drained soil and continues to grow steadily with minimal care once established, making it suitable for consistent seasonal planting in warm climates.
Features
- Warm-season flowering plant with compact, bushy growth
- Adapted to hot and sunny conditions
- Suitable for beds, borders, and container planting
- Tolerates dry conditions after establishment
- Steady growth with minimal maintenance
Specifications
- Scientific Name: Catharanthus roseus
- Common Name (US): Periwinkle
- Seed Type / Variety: Standard Variety
- Growth Habit: Compact, branching plant
- USDA Zones: 9-11
- Planting Season: Spring to early summer
- Growing Season: Warm season
- Sowing Season: February to May
- Germination Time and Conditions: 7-14 days in warm soil (22-26°C)
- Sunlight Requirements: Full sun to partial shade
- Soil Requirements: Well-drained sandy or loamy soil
- Watering Needs: Low to moderate; avoid overwatering
- Mature Plant Size: 30-60 cm height, 30-45 cm spread
- Plant Spacing: 25-35 cm between plants
