When should I plant Leek in Zone 5a?

Start Leek seeds indoors around Feb 17. Transplant outdoors after Apr 14. Expect first harvest around Jul 13.

What is the last frost date for Zone 5a?

The average last spring frost date for Zone 5a is Apr 28. The first fall frost averages Oct 8, giving a 163-day growing season.

Can I grow Leek in Zone 5a?

Yes. Leek needs 120 days to harvest. Zone 5a has a 163-day growing season, which is sufficient.

Kweken van Leek in Zone 5a

Zone 5a has cold winters and a moderate growing season. Timing is key for Leek in this zone. Laatste vorst: Apr 28. Eerste vorst: Oct 8.

Planting Calendar

Indoor

Outdoor

Harvest

Feb 17Oct 8

Season: Apr 28 – Oct 8 (163 dagen)

Zone5a

Laatste vorstApr 28

Eerste vorstOct 8

Seizoen163 dagen

Oogst120 dagen

ZonVolle Zon

When to Plant Leek in Zone 5a

Start Seeds Indoors: Feb 17

Start Leek seeds indoors around Feb 17 (10 weken voor de laatste vorst). Optimal germination temperature: 70F. Germinates in 7-14 days.

Transplant Outdoors: Apr 14

Transplant Leek seedlings outdoors after Apr 14. Wait until soil temperature reaches 45F. Space plants at 4/m² (15cm afstand). Harden off plants for a week before moving outside.

Harvest: Jul 13

First harvest approximately Jul 13 (~90 dagen from transplant). Continue harvesting until first frost (Oct 8). Leek can overwinter in mild climates for continued harvest.

Begeleidende Beplanting

✅ Wortels✅ Uien✅ Selderij

❌ Bonen❌ Erwten

Leek in Andere 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 Je Tuin voor Leek

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

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