When should I plant Leek in Zone 10a?

Start Leek seeds indoors around Dec 12. Transplant outdoors after Feb 6. Expect first harvest around May 7.

What is the last frost date for Zone 10a?

The average last spring frost date for Zone 10a is Feb 20. The first fall frost averages Dec 1, giving a 284-day growing season.

Can I grow Leek in Zone 10a?

Yes. Leek needs 120 days to harvest. Zone 10a has a 284-day growing season, which is sufficient.

Growing Leek in Zone 10a

Zone 10a has a year-round growing season. Leek can be planted almost any time with proper planning. Viimeinen halla: Feb 20. Ensimmäinen halla: Dec 1.

Planting Calendar

Indoor

Outdoor

Harvest

Dec 12Dec 1

Season: Feb 20 – Dec 1 (284 päivää)

Vyöhyke10a

Viimeinen hallaFeb 20

Ensimmäinen hallaDec 1

Kausi284 päivää

Sato120 päivää

AurinkoTäysi Aurinko

When to Plant Leek in Zone 10a

Start Seeds Indoors: Dec 12

Start Leek seeds indoors around Dec 12 (10 viikkoa ennen viimeistä hallaa). Optimal germination temperature: 70F. Germinates in 7-14 days.

Transplant Outdoors: Feb 6

Transplant Leek seedlings outdoors after Feb 6. Wait until soil temperature reaches 45F. Space plants at 4/m² (15cm välein). Harden off plants for a week before moving outside.

Harvest: May 7

First harvest approximately May 7 (~90 päivää from transplant). Continue harvesting until first frost (Dec 1). Leek can overwinter in mild climates for continued harvest.

Kumppaniviljely

✅ Porkkanat✅ Sipulit✅ Selleri

❌ Pavut❌ Herneet

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

Plan Your Garden Leek

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

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