How to Grow Kiwi Blue
Cerinthe major purpurascens
Your complete guide to growing Kiwi Blue.
📷 Wikipedia: FlowerWhen to Plant Kiwi Blue
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 Kiwi Blue
✓ Good companions
Attracts beneficial insects and helps repel whiteflies
Repels ants, aphids, and rodents while attracting beneficial insects
Repels aphids and other soft-bodied insects with sulfur compounds
Attracts beneficial insects and provides complementary colors
Deters pests with aromatic oils and attracts pollinators
Repels nematodes and aphids while attracting beneficial insects
Acts as trap crop for aphids and cucumber beetles
Attracts beneficial insects and provides ground cover to retain moisture
✗ Keep away from
Produces juglone toxin that inhibits growth of many plants
Releases allelopathic chemicals that can stunt nearby plant growth
Competes aggressively for nutrients and water, may release growth inhibitors
