Vinca (Periwinkle): Care Guide for a Heat-Loving Ground Cover

Vinca (Vinca major and Vinca minor), commonly called periwinkle, is an evergreen, mat-forming subshrub prized for its glossy foliage and pinwheel flowers in blue, purple, or white. Heat- and drought-tolerant, it thrives where other plants falter, making it a go-to for erosion control, borders, and ground cover.

Key Species

• Vinca major – Larger leaves, aggressive spreader, good for slopes.
• Vinca minor – Smaller, less invasive, blue-green leaves, lilac-blue flowers (often called myrtle).

Growing Requirements

• Light: Full sun to partial shade.
• Soil: Average, well-drained, pH 6–7.
• Spacing: 12 inches apart.
• Water: 1–2 times per week until established; then only during prolonged drought.
• Fertilizer: Monthly 20-20-20 water-soluble feed.
• Mulch: Helps retain moisture and deter weeds.

Common Diseases

Fungal issues (canker, root rot, leaf spots, blights) arise in overly wet conditions. Prune affected parts immediately, improve drainage, avoid overhead watering, and apply fungicide if needed.

Vinca’s resilience and nearly year-round bloom make it a low-care, high-reward ground cover for sunny or shady sites.