How to Grow Iron Pink
Matthiola incana
Your complete guide to growing Iron Pink.
📷 Wikimedia CommonsWhen to Plant Iron Pink
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 Iron Pink
✓ Good companions
Repels mosquitoes, ants, and rodents effectively
Attract beneficial insects and provide complementary colors without competing for nutrients
Repels moths, fleas, and mosquitoes while attracting pollinators
Repel nematodes and aphids while attracting beneficial insects
Act as trap crops for aphids and cucumber beetles while repelling squash bugs
Repel aphids, tomato hornworms, and squash bugs naturally
Attracts beneficial insects and provides ground cover to retain soil moisture
Attract butterflies and beneficial insects while requiring similar growing conditions
✗ Keep away from
Produces juglone toxin that inhibits growth and can kill sensitive plants
Releases allelopathic compounds that suppress growth of nearby plants
Compete aggressively for nutrients and water while casting excessive shade
