When should I plant Leek in Zone 12b?

Start Leek seeds indoors around Oct 23. Transplant outdoors after Dec 18. Expect first harvest around Mar 18.

What is the last frost date for Zone 12b?

The average last spring frost date for Zone 12b is Jan 1. The first fall frost averages Dec 31, giving a 364-day growing season.

Can I grow Leek in Zone 12b?

Yes. Leek needs 120 days to harvest. Zone 12b has a 364-day growing season, which is sufficient.

Growing Leek in Zone 12b

Zone 12b has a year-round growing season. Leek can be planted almost any time with proper planning. Siste frost: Jan 1. Første frost: Dec 31.

Planting Calendar

Indoor

Outdoor

Harvest

Oct 23Dec 31

Season: Jan 1 – Dec 31 (364 dager)

Sone12b

Siste frostJan 1

Første frostDec 31

Sesong364 dager

Høst120 dager

SolFull Sol

When to Plant Leek in Zone 12b

Start Seeds Indoors: Oct 23

Start Leek seeds indoors around Oct 23 (10 uker før siste frost). Optimal germination temperature: 70F. Germinates in 7-14 days.

Transplant Outdoors: Dec 18

Transplant Leek seedlings outdoors after Dec 18. Wait until soil temperature reaches 45F. Space plants at 4/m² (15cm avstand). Harden off plants for a week before moving outside.

Harvest: Mar 18

First harvest approximately Mar 18 (~90 dager from transplant). Continue harvesting until first frost (Dec 31). Leek can overwinter in mild climates for continued harvest.

Samdyrking

✅ Gulrøtter✅ Løk✅ Selleri

❌ Bønner❌ Erter

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

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