How to Grow Pierrot Red
Rhodanthe chlorocephala
Your complete guide to growing Pierrot Red.
📷 Wikipedia: FlowerWhen to Plant Pierrot Red
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 Pierrot Red
✓ Good companions
Shares similar watering needs and provides cascading texture contrast
Repels mosquitoes, ants, and aphids effectively
Complements growth habit and provides continuous bloom with similar care requirements
Repel aphids, whiteflies, and nematodes while attracting beneficial insects
Act as trap crops for aphids and cucumber beetles, deterring pests from petunias
Attracts beneficial insects and doesn't compete for nutrients
Attracts beneficial insects like lacewings and provides ground cover
Attracts butterflies and beneficial insects while sharing similar sun requirements
✗ Keep away from
Produces juglone toxin that inhibits growth and can kill petunias
Produces allelopathic oils that inhibit germination and growth of nearby plants
Release allelopathic compounds and compete aggressively for nutrients and water
