How to Grow Tower Yellow
Callistephus chinensis
Your complete guide to growing Tower Yellow.
When to Plant Tower Yellow
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 Tower Yellow
✓ Good companions
Provide habitat for beneficial insects and complement yellow blooms
Repels moths, fleas, and mosquitoes with aromatic oils
Repel nematodes and aphids while attracting beneficial insects
Act as trap crop for aphids and cucumber beetles
Repel aphids, tomato hornworms, and squash bugs
Provide support structure and attract pollinators
Attracts parasitic wasps and other beneficial predators
Attract pollinators and beneficial predatory insects
✗ Keep away from
Release juglone toxin that inhibits growth of many flowers
Releases chemicals that suppress germination and growth of other plants
Allelopathic properties inhibit growth of nearby flowering plants