How to Grow Katz Formula Mix
Matthiola incana
Your complete guide to growing Katz Formula Mix.
When to Plant Katz Formula Mix
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 Katz Formula Mix
✓ Good companions
Attracts pollinators and beneficial insects while improving soil health
Repel aphids and Japanese beetles with their strong scent
Attract beneficial insects and provide structure without competing for nutrients
Repels moths, fleas, and mosquitoes while attracting pollinators
Repel nematodes, aphids, and other pests while attracting beneficial insects
Act as trap crops for aphids and cucumber beetles while repelling squash bugs
Attracts beneficial insects like lacewings and hoverflies that prey on pests
Attract butterflies and beneficial insects while providing continuous blooms
✗ Keep away from
Releases juglone toxin that inhibits growth and can kill sensitive flowers
Allelopathic properties suppress growth of nearby plants
Inhibits growth of most garden plants through allelopathic compounds