How to Grow Ivory Princess
Calendula officinalis
Your complete guide to growing Ivory Princess.
When to Plant Ivory Princess
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 Ivory Princess
✓ Good companions
Repels ants, aphids, and rodents while attracting beneficial pollinators
Attracts beneficial insects and provides light shade without competing heavily
Repels moths, fleas, and mosquitoes while attracting pollinators
Repel aphids, whiteflies, and nematodes while attracting beneficial insects
Act as trap crops for aphids and cucumber beetles, drawing pests away
Natural pest deterrent against aphids, tomato hornworms, and squash bugs
Attracts beneficial insects like hoverflies and parasitic wasps for pest control
Attracts beneficial insects and pollinators while providing complementary colors
✗ Keep away from
Produces juglone toxin that inhibits growth and can kill sensitive plants
Releases allelopathic compounds that suppress growth of nearby plants
Allelopathic effects inhibit germination and growth of smaller flowering plants