When should I plant Lavender in Zone 10b?

Start Lavender seeds indoors around Nov 19. Transplant outdoors after Feb 4. Expect first harvest around May 5.

What is the last frost date for Zone 10b?

The average last spring frost date for Zone 10b is Jan 28. The first fall frost averages Dec 22, giving a 328-day growing season.

Can I grow Lavender in Zone 10b?

Yes. Lavender needs 100 days to harvest. Zone 10b has a 328-day growing season, which is sufficient.

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🟣 Growing Lavender in Zone 10b

Zone 10b has a year-round growing season. Lavender can be planted almost any time with proper planning. Last frost: Jan 28. First frost: Dec 22.

Planting Calendar

Indoor

Outdoor

Harvest

Nov 19Dec 22

Season: Jan 28 – Dec 22 (328 days)

Zone10b

Last FrostJan 28

First FrostDec 22

Season Length328 days

Days to Harvest100

SunFull Sun

Frost ToleranceModerate

Spacing1/sqft (12" apart)

When to Plant Lavender in Zone 10b

Start Seeds Indoors: Nov 19

Start Lavender seeds indoors around Nov 19 (10 weeks before last frost). Optimal germination temperature: 70°F. Germinates in 14–28 days.

Transplant Outdoors: Feb 4

Transplant Lavender seedlings outdoors after Feb 4. Wait until soil temperature reaches 55°F. Space plants at 1/sqft (12" apart). Harden off plants for a week before moving outside.

Harvest: May 5

First harvest approximately May 5 (~90 days from transplant). Continue harvesting until first frost (Dec 22). Lavender can overwinter in mild climates for continued harvest.

Companion Planting

✅ Roses✅ Eggplant✅ Tomatoes✅ Cabbage

Lavender in Other Zones

1a 1b 2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b 12a 12b 13a 13b

Plan Your Lavender Garden

Track Lavender from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

Start Free Lavender Growing Guide