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When to Plant Lavender in Santa Rosa, California (95404)

Location

Santa Rosa, California

ZIP Code

95404

USDA Zone

9b

Last Frost

Wednesday, February 10, 2027

📅 Planting Calendar

Start Seeds Indoors Wednesday, December 2, 2026
Transplant Outdoors Wednesday, February 24, 2027

Pro Tip: Start Lavender seeds indoors 10 weeks before your last frost date for best results.

🌿 Plant Details

Scientific Name Lavandula angustifolia
Days to Maturity 90 days

☀️ Growing Requirements

☀️

Sun

Full Sun

💧

Water

Regular

Seeds typically germinate in 7-14 days

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Other Plants for Santa Rosa

Growing Lavender in Zone 9b

Lavender (Lavandula angustifolia) is a popular garden vegetable. In Santa Rosa, California, which is in USDA Hardiness Zone 9b, you should start seeds indoors around Wednesday, December 2, 2026.

Your average last frost date is Wednesday, February 10, 2027. Plan to transplant your Lavender seedlings outdoors around Wednesday, February 24, 2027, about 2 weeks after your last frost date.