When to Plant Lavender
Fragrant, drought-tolerant, and beloved by pollinators. Once established, lavender rewards you for years.
The Short Answer
How to Grow Lavender
Lavender's Mediterranean heritage tells you everything about its needs: full sun, sharp drainage, lean soil, and don't fuss over it. The #1 killer of lavender in American gardens is overwatering and heavy clay soil — root rot kills more plants than any pest or disease. Prune in spring after new growth appears but never into old wood — lavender won't regenerate from bare stems. Phenomenal is the breakthrough variety for humid climates east of the Rockies; it resists the root rot that kills traditional varieties.
Starting Seeds Indoors
Begin lavender seeds indoors 10 weeks before your average last frost date. Seeds need soil temperatures of at least 60°F to germinate, which typically takes 14-28 days. Provide 14 hours of light per day using a south-facing window or grow lights.
Transplanting
Move seedlings outside 2 weeks after your last frost date, once soil temperatures reach 60°F. Harden off seedlings for 10 days before transplanting by gradually exposing them to outdoor conditions.
Growing Tips
Needs excellent drainage — clay soil is lavender's enemy. Don't prune into old wood. English varieties (Lavandula angustifolia) are hardiest.
Companion Planting
Good companions:
Lavender Planting Dates by State
Click your state for lavender planting dates specific to your location:
Last reviewed: March 29, 2026