How to Grow Double Click Bicolor Violet
Cosmos bipinnatus
Your complete guide to growing Double Click Bicolor Violet.
📷 Wikimedia CommonsWhen to Plant Double Click Bicolor Violet
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 Double Click Bicolor Violet
✓ Good companions
Similar sun and water requirements, provides contrasting texture and attracts beneficial insects
Compatible height and bloom time, attracts butterflies and hummingbirds
Repel aphids, whiteflies, and nematodes while attracting beneficial insects
Act as trap crops for aphids and cucumber beetles, protecting the cosmos
Complementary colors and attracts pollinators while deterring some pests
Provide beneficial shade and wind protection, attract pollinators
Attracts beneficial insects like hoverflies and provides ground cover
Share similar growing conditions and attract pollinators and beneficial predatory insects
✗ Keep away from
Compete aggressively for nutrients and water, can overwhelm cosmos roots
Release juglone toxin that inhibits growth of cosmos and most flowers
Compete for light as cosmos require full sun for optimal blooming
