How to Grow ProCut® Red
Helianthus annuus
Your complete guide to growing ProCut® Red.
When to Plant ProCut® Red
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 ProCut® Red
✓ Good companions
Fix nitrogen in soil, benefiting heavy-feeding sunflowers
Attracts pollinators and may improve soil nutrients through deep taproot
Provide habitat for beneficial insects and complement sunflower blooming period
Benefit from sunflower's tall structure for partial shade and wind protection
Thrives in partial shade provided by sunflower stalks
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
Produces juglone toxin that inhibits sunflower growth and development
Allelopathic compounds inhibit growth of most garden plants including sunflowers
May climb sunflower stalks, adding weight and potentially causing breakage