How to Grow Sunrich Gold
Helianthus annuus
Your complete guide to growing Sunrich Gold.
📷 Wikimedia CommonsWhen to Plant Sunrich Gold
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 Sunrich Gold
✓ Good companions
Repels aphids, thrips, and flies while attracting pollinators
Fix nitrogen in soil and can use sunflower stalks for support
Attracts pollinators and beneficial insects while improving soil nutrients
Attract beneficial insects and provide complementary height structure
Benefits from sunflower's shade and wind protection during hot weather
Repel aphids, whiteflies, and nematodes while attracting beneficial insects
Act as trap crops for aphids and cucumber beetles, protecting sunflowers
Attract pollinators and beneficial predatory insects like ladybugs
✗ Keep away from
Releases juglone which is toxic to sunflowers and inhibits growth
Allelopathic properties inhibit growth of most garden plants including sunflowers
Compete for similar nutrients and sunflowers may inhibit potato growth
