How to Grow Vinca Madagascar Mix
Catharanthus roseus 'Madagascar Mix'
Your complete guide to growing Vinca Madagascar Mix.
📷 Wikimedia CommonsWhen to Plant Vinca Madagascar Mix
Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.
| Zone | Start Indoors | Direct Sow | Harvest |
|---|---|---|---|
| Zone 1 | May – June | July – September | — |
| Zone 2 | April – May | June – August | — |
| Zone 3 | April – May | June – August | — |
| Zone 4 | March – April | June – July | — |
| Zone 5 | March – April | May – July | — |
| Zone 6 | March – April | May – July | — |
| Zone 7 | February – March | April – June | — |
| Zone 8 | February – March | April – June | — |
| Zone 9 | January – February | March – May | — |
| Zone 10 | January | February – April | — |
| Zone 11 | January | January – March | — |
| Zone 12 | January | January – March | — |
| Zone 13 | January | January – March | — |
Companion Plants for Vinca Madagascar Mix
✓ Good companions
Share similar growing conditions and complement flowering periods
Provides shade tolerance and colorful foliage contrast in mixed plantings
Provides contrasting foliage texture and color without competing for nutrients
Repel nematodes and aphids while attracting beneficial insects
Act as trap crops for aphids and cucumber beetles
Repel aphids, tomato hornworms, and other pests naturally
Attracts beneficial insects like lacewings and parasitic wasps
Attracts pollinators and beneficial predatory insects
✗ Keep away from
Produce juglone toxin which inhibits growth of many flowering plants
Releases allelopathic compounds that suppress growth of nearby plants
Competes for water and nutrients, may harbor similar fungal diseases
