How to Grow Helen Mount
Viola tricolor
Your complete guide to growing Helen Mount.
📷 Wikimedia CommonsWhen to Plant Helen Mount
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 Helen Mount
✓ Good companions
Repels thrips, aphids, and flies while attracting beneficial pollinators
Repel aphids and whiteflies, attract beneficial insects
Attract beneficial insects and create habitat for natural predators
Repels moths, fleas, and mosquitoes while attracting pollinators
Repel nematodes and aphids, attract beneficial insects
Act as trap crops for aphids and cucumber beetles, attract pollinators
Repel aphids, tomato hornworms, and squash bugs
Attracts hover flies and parasitic wasps that control aphids
✗ Keep away from
Release juglone toxin that inhibits growth and can kill zinnias
Produces allelopathic compounds that stunt growth of nearby flowering plants
Create excessive shade and compete aggressively for nutrients and water
