How to Grow Sunrich Lime
Helianthus annuus
Your complete guide to growing Sunrich Lime.
📷 Wikimedia CommonsWhen to Plant Sunrich Lime
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 Lime
✓ Good companions
Fix nitrogen in soil and can climb sunflower stalks for support
Attract pollinators and beneficial predatory insects
Benefit from sunflower shade and wind protection
Thrives in partial shade provided by tall sunflower stems
Repel aphids, whiteflies, and nematodes while attracting beneficial insects
Act as trap crops for aphids and cucumber beetles, protecting sunflowers
Help break up soil and deter root pests around sunflower base
Complement sunflowers aesthetically and attract butterflies and bees
✗ Keep away from
Release juglone toxin that stunts sunflower growth and causes wilting
Produces allelopathic compounds that inhibit sunflower germination and growth
Compete for similar nutrients and may increase risk of fungal diseases
