How to Grow Penny™ Marina
Viola cornuta
Your complete guide to growing Penny™ Marina.
📷 Wikimedia CommonsWhen to Plant Penny™ Marina
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 Penny™ Marina
✓ Good companions
Attracts beneficial insects like lacewings and provides ground cover
Attract beneficial insects and provide vertical structure
Repels moths, fleas, and mosquitoes with strong fragrance
Repel nematodes and aphids while attracting beneficial insects
Act as trap crops for aphids and cucumber beetles
Repel aphids, tomato hornworms, and other garden pests
Repel pests and attract pollinators with complementary colors
Attract beneficial pollinators and predatory insects
✗ Keep away from
Produces juglone which is toxic to many flowering plants
Allelopathic properties inhibit growth of nearby plants
May overshadow and compete for nutrients due to large size
