How to Grow Potomac Lavender
Antirrhinum majus
Your complete guide to growing Potomac Lavender.
📷 Wikipedia: Antirrhinum majusWhen to Plant Potomac Lavender
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 Potomac Lavender
✓ Good companions
Deter aphids, slugs, and other pests while sharing similar well-draining soil preferences
Similar growing conditions and both repel ants, mice, and mosquitoes effectively
Repel aphids, whiteflies, and nematodes while adding complementary color to lavender beds
Similar drought tolerance and both provide natural pest control while attracting bees
Similar water and soil requirements, both repel pests and complement each other's fragrance
Compatible growing requirements and both attract beneficial pollinators while deterring harmful inse…
Both thrive in poor, well-draining soil and create attractive drought-tolerant combinations
Shares similar Mediterranean growing conditions and helps repel cabbage worms and other pests
✗ Keep away from
Needs shade and consistent moisture while lavender requires full sun and well-draining soil
Requires consistently moist soil and shade, opposite of lavender's dry, sunny preferences
Aggressive spreading nature can overwhelm lavender and prefers more moisture than lavender tolerates
