When should I plant Leek in Zone 12a?

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 12a?

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

Can I grow Leek in Zone 12a?

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

Growing Leek in Zone 12a

Zone 12a has a year-round growing season. Leek can be planted almost any time with proper planning. Poslední mráz: Jan 1. První mráz: Dec 31.

Planting Calendar

Indoor

Outdoor

Harvest

Oct 23Dec 31

Season: Jan 1 – Dec 31 (364 dní)

Zóna12a

Poslední mrázJan 1

První mrázDec 31

Sezóna364 dní

Sklizeň120 dní

SluncePlné Slunce

When to Plant Leek in Zone 12a

Start Seeds Indoors: Oct 23

Start Leek seeds indoors around Oct 23 (10 týdnů před posledním mrazem). 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 od sebe). Harden off plants for a week before moving outside.

Harvest: Mar 18

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

Smíšená Výsadba

✅ Mrkve✅ Cibule✅ Celer

❌ Fazole❌ Hrášky

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

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