Lavender illustration 🟣

🟣 Growing Lavender in Zone 9a

Zone 9a has warm winters and an extended growing season — excellent for heat-loving crops like Lavender. Last frost: Mar 20. First frost: Nov 12.

Planting Calendar

Indoor
Outdoor
Harvest
Jan 9Nov 12

Season: Mar 20 – Nov 12 (237 days)

Zone9a
Last FrostMar 20
First FrostNov 12
Season Length237 days
Days to Harvest100
SunFull Sun
Frost ToleranceModerate
Spacing1/sqft (12" apart)

When to Plant Lavender in Zone 9a

Start Seeds Indoors: Jan 9

Start Lavender seeds indoors around Jan 9 (10 weeks before last frost). Optimal germination temperature: 70°F. Germinates in 14–28 days.

Transplant Outdoors: Mar 27

Transplant Lavender seedlings outdoors after Mar 27. Wait until soil temperature reaches 55°F. Space plants at 1/sqft (12" apart). Harden off plants for a week before moving outside.

Harvest: Jun 25

First harvest approximately Jun 25 (~90 days from transplant). Continue harvesting until first frost (Nov 12). Lavender can overwinter in mild climates for continued harvest.

Companion Planting

✅ Roses✅ Eggplant✅ Tomatoes✅ Cabbage

Frequently Asked Questions

When should I plant Lavender in Zone 9a?

Start Lavender seeds indoors around Jan 9. Transplant outdoors after Mar 27. Expect first harvest around Jun 25.

What is the last frost date for Zone 9a?

The average last spring frost date for Zone 9a is Mar 20. The first fall frost averages Nov 12, giving a 237-day growing season.

Can I grow Lavender in Zone 9a?

Yes. Lavender needs 100 days to harvest. Zone 9a has a 237-day growing season, which is sufficient.

What is the best month to plant Lavender in Zone 9a?

The best time to start Lavender in Zone 9a is Jan. Begin seeds indoors around Jan 9, then transplant outdoors after the last frost date of Mar 20.

What companion plants grow well with Lavender?

Good companion plants for Lavender include Roses, Eggplant, Tomatoes, Cabbage.

How long does Lavender take to harvest?

Lavender takes approximately 100 days from planting to harvest. In Zone 9a, expect your first harvest around Jun 25.

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