How to Grow Sorbet® XP Delft Blue
Viola cornuta
Your complete guide to growing Sorbet® XP Delft Blue.
When to Plant Sorbet® XP Delft Blue
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 Sorbet® XP Delft Blue
✓ Good companions
Compatible trailing habit and similar water requirements for container gardens
Similar growing conditions and creates attractive color contrast in mixed plantings
Repel aphids, whiteflies, and nematodes while attracting beneficial insects
Act as trap crops for aphids and cucumber beetles, drawing pests away
Repel aphids, tomato hornworms, and squash bugs while sharing similar care needs
Attracts pollinators and beneficial insects while deterring harmful pests
Attracts beneficial insects like hoverflies and parasitic wasps that control pests
Complementary growth habit and attracts butterflies and beneficial insects
✗ Keep away from
Produce juglone toxin that inhibits growth and can kill sensitive flowering plants
Competes for similar resources and may harbor spider mites that spread to violas
Allelopathic compounds inhibit growth of smaller flowering plants