How to Grow Versailles Red
Cosmos bipinnatus
Your complete guide to growing Versailles Red.
When to Plant Versailles Red
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 Versailles Red
✓ Good companions
Attracts beneficial insects and provides ground cover to retain soil moisture
Repels mosquitoes, ants, and rodents more effectively than DEET
Attracts beneficial insects and provides height variation in garden design
Deters pests with strong fragrance and attracts pollinators
Repel nematodes and aphids while attracting beneficial insects
Act as trap crop for aphids and cucumber beetles while adding vibrant color contrast
Repel aphids, tomato hornworms, and squash bugs with natural compounds
Attracts beneficial predatory insects and provides complementary flower colors
✗ Keep away from
Produces juglone toxin that inhibits growth and can kill sensitive flowering plants
Releases allelopathic compounds that suppress growth of nearby plants
Inhibits growth of most garden plants through allelopathic root secretions