Growing Leek in Zone 8b

Zone 8b has warm winters and an extended growing season — excellent for heat-loving crops like Leek. Last frost: Mar 22. First frost: Nov 10.

Planting Calendar

Indoor

Outdoor

Harvest

Jan 11Nov 10

Season: Mar 22 – Nov 10 (233 days)

Zone8b

Last FrostMar 22

First FrostNov 10

Season Length233 days

Days to Harvest120

SunFull Sun

Frost ToleranceModerate

Spacing4/sqft (6" apart)

When to Plant Leek in Zone 8b

Start Seeds Indoors: Jan 11

Start Leek seeds indoors around Jan 11 (10 weeks before last frost). Optimal germination temperature: 70°F. Germinates in 7–14 days.

Transplant Outdoors: Mar 8

Transplant Leek seedlings outdoors after Mar 8. Wait until soil temperature reaches 45°F. Space plants at 4/sqft (6" apart). Harden off plants for a week before moving outside.

Harvest: Jun 6

First harvest approximately Jun 6 (~90 days from transplant). Continue harvesting until first frost (Nov 10). 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 8b?

Start Leek seeds indoors around Jan 11. Transplant outdoors after Mar 8. Expect first harvest around Jun 6.

What is the last frost date for Zone 8b?

The average last spring frost date for Zone 8b is Mar 22. The first fall frost averages Nov 10, giving a 233-day growing season.

Can I grow Leek in Zone 8b?

Yes. Leek needs 120 days to harvest. Zone 8b has a 233-day growing season, which is sufficient.

What is the best month to plant Leek in Zone 8b?

The best time to start Leek in Zone 8b is Jan. Begin seeds indoors around Jan 11, then transplant outdoors after the last frost date of Mar 22.

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 8b, expect your first harvest around Jun 6.

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