How to Grow Sunrich Lemon
Helianthus annuus
Your complete guide to growing Sunrich Lemon.
📷 Wikimedia CommonsWhen to Plant Sunrich Lemon
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 Lemon
✓ Good companions
Repels aphids and thrips while attracting beneficial pollinators
Fix nitrogen in soil and benefit from sunflower's tall structure for support
Attract beneficial insects and provide complementary flowering periods
Benefit from sunflower shade and wind protection while maximizing garden space
Thrives in partial shade provided by tall sunflowers 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
Release juglone toxin that severely stunts or kills sunflower growth
Produces allelopathic compounds that inhibit sunflower germination and growth
Compete for similar nutrients and may increase risk of shared fungal diseases
