How to Grow ProCut® Plum
Helianthus annuus
Your complete guide to growing ProCut® Plum.
📷 Wikipedia: Common sunflowerWhen to Plant ProCut® Plum
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® Plum
✓ Good companions
Repels thrips, flies, and mosquitoes while attracting pollinators
Fix nitrogen in soil which benefits sunflowers, can use sunflower stalks for support
Attracts bees and other pollinators, may improve soil health
Provide habitat for beneficial insects and complement sunflower blooming periods
Benefits from 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 and lacewings
✗ Keep away from
Release juglone toxin that stunts sunflower growth and can cause wilting
Produces allelopathic compounds that inhibit growth of most companion plants
May compete aggressively for nutrients and water when climbing sunflower stalks
