Growing Leek in Zone 11b

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

Planting Calendar

Indoor

Outdoor

Harvest

Nov 6Dec 31

Season: Jan 15 – Dec 31 (350 days)

Zone11b

Last FrostJan 15

First FrostDec 31

Season Length350 days

Days to Harvest120

SunFull Sun

Frost ToleranceModerate

Spacing4/sqft (6" apart)

When to Plant Leek in Zone 11b

Start Seeds Indoors: Nov 6

Start Leek seeds indoors around Nov 6 (10 weeks before last frost). Optimal germination temperature: 70°F. Germinates in 7–14 days.

Transplant Outdoors: Jan 1

Transplant Leek seedlings outdoors after Jan 1. Wait until soil temperature reaches 45°F. Space plants at 4/sqft (6" apart). Harden off plants for a week before moving outside.

Harvest: Apr 1

First harvest approximately Apr 1 (~90 days from transplant). Continue harvesting until first frost (Dec 31). Leek can overwinter in mild climates for continued harvest.

Companion Planting

✅ Carrots✅ Onions✅ Celery

❌ Beans❌ Peas

Leek 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

Frequently Asked Questions

When should I plant Leek in Zone 11b?

Start Leek seeds indoors around Nov 6. Transplant outdoors after Jan 1. Expect first harvest around Apr 1.

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 Leek in Zone 11b?

Yes. Leek needs 120 days to harvest. Zone 11b has a 350-day growing season, which is sufficient.

What is the best month to plant Leek in Zone 11b?

The best time to start Leek in Zone 11b is Nov. Begin seeds indoors around Nov 6, then transplant outdoors after the last frost date of Jan 15.

What companion plants grow well with Leek?

Good companion plants for Leek include Carrots, Onions, Celery. Avoid planting Leek near Beans, Peas.

How long does Leek take to harvest?

Leek takes approximately 120 days from planting to harvest. In Zone 11b, expect your first harvest around Apr 1.

Plan Your Leek Garden

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

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