How to Grow Solano® Double
Helianthus annuus
Your complete guide to growing Solano® Double.
📷 Wikipedia: Common sunflowerWhen to Plant Solano® Double
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 Solano® Double
✓ Good companions
Attracts beneficial insects like lacewings and hoverflies that prey on pests
Repels mosquitoes, ants, and rodents more effectively than DEET
Draw beneficial insects and provide structural diversity without competing for nutrients
Repels moths, fleas, and mosquitoes while attracting pollinators
Repel nematodes, aphids, and whiteflies while attracting beneficial insects
Act as trap crops for aphids and cucumber beetles, also repel squash bugs
Natural pest deterrent against aphids, tomato hornworms, and squash bugs
Attract pollinators and beneficial predatory insects while providing color contrast
✗ 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 allelopathy and attracts pests
