How to Grow Ruby Parfait
Celosia argentea spicata
Your complete guide to growing Ruby Parfait.
When to Plant Ruby Parfait
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 Ruby Parfait
✓ Good companions
Deters ants, aphids, and rodents while attracting beneficial pollinators
Attract beneficial insects and provide structural support in mixed plantings
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, protecting nearby plants
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 providing complementary colors
✗ Keep away from
Produce juglone, a toxic compound that inhibits growth of most flowering plants
Releases allelopathic compounds that suppress growth of nearby plants
Spreads aggressively through underground runners, crowding out other plants
Compete aggressively for nutrients and water, may stunt growth of smaller flowers