When should I plant Mint in Zone 11b?

Start Mint seeds indoors around Nov 20. Transplant outdoors after Jan 1. Expect first harvest around Mar 2.

What is the last frost date for Zone 11b?

The average last spring frost date for Zone 11b is Jan 15. The first fall frost averages Dec 31, giving a 350-day growing season.

Can I grow Mint in Zone 11b?

Yes. Mint needs 60 days to harvest. Zone 11b has a 350-day growing season, which is sufficient.

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🍃 Growing Mint in Zone 11b

Zone 11b has a year-round growing season. Mint can be planted almost any time with proper planning. Last frost: Jan 15. First frost: Dec 31.

Planting Calendar

Indoor

Outdoor

Harvest

Nov 20Dec 31

Season: Jan 15 – Dec 31 (350 days)

Zone11b

Last FrostJan 15

First FrostDec 31

Season Length350 days

Days to Harvest60

SunPart Sun / Part Shade

Frost ToleranceHeavy

Spacing1/sqft (12" apart)

When to Plant Mint in Zone 11b

Start Seeds Indoors: Nov 20

Start Mint seeds indoors around Nov 20 (8 weeks before last frost). Optimal germination temperature: 70°F. Germinates in 10–16 days.

Transplant Outdoors: Jan 1

Transplant Mint seedlings outdoors after Jan 1. Wait until soil temperature reaches 50°F. Space plants at 1/sqft (12" apart). Harden off plants for a week before moving outside.

Harvest: Mar 2

First harvest approximately Mar 2 (~60 days from transplant). Continue harvesting until first frost (Dec 31). Mint can overwinter in mild climates for continued harvest.

Companion Planting

✅ Cabbage✅ Tomatoes

❌ Chamomile

Mint 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 Mint Garden

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

Start Free Mint Growing Guide