How to Grow Penny™ Rose Blotch
Viola cornuta
Your complete guide to growing Penny™ Rose Blotch.
📷 Wikipedia: FlowerWhen to Plant Penny™ Rose Blotch
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™ Rose Blotch
✓ Good companions
Strong scent repels aphids, thrips, and other soft-bodied insects
Deters ants, aphids, and rodents while providing complementary purple-blue flowers
Repels aphids and Japanese beetles while improving soil health around roses
Provides vertical interest and shares similar growing conditions without competing
Natural fungicide properties help prevent black spot and powdery mildew on roses
Repels aphids, thrips, and other rose pests while attracting beneficial pollinators
Deters nematodes, aphids, and whiteflies through natural pest-repelling compounds
Attracts beneficial insects and may help roses resist disease
✗ Keep away from
Produces juglone toxin that inhibits rose growth and can cause wilting
Heavy feeders that compete for nutrients and may attract pests harmful to roses
Compete for nutrients and water while creating excessive shade that roses need
