Leek illustration

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

Plan Your Leek Garden

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

Start Free Leek Growing Guide