When should I plant Leek in Zone 4b?

Start Leek seeds indoors around Feb 20. Transplant outdoors after Apr 17. Expect first harvest around Jul 16.

What is the last frost date for Zone 4b?

The average last spring frost date for Zone 4b is May 1. The first fall frost averages Oct 5, giving a 157-day growing season.

Can I grow Leek in Zone 4b?

Yes. Leek needs 120 days to harvest. Zone 4b has a 157-day growing season, which is sufficient.

Growing Leek in Zone 4b

Zone 4b has cold winters and a moderate growing season. Timing is key for Leek in this zone. Τελευταίος παγετός: May 1. Πρώτος παγετός: Oct 5.

Planting Calendar

Indoor

Outdoor

Harvest

Feb 20Oct 5

Season: May 1 – Oct 5 (157 ημέρες)

Ζώνη4b

Τελευταίος παγετόςMay 1

Πρώτος παγετόςOct 5

Περίοδος157 ημέρες

Συγκομιδή120 ημέρες

ΉλιοςΠλήρης Ήλιος

When to Plant Leek in Zone 4b

Start Seeds Indoors: Feb 20

Start Leek seeds indoors around Feb 20 (10 εβδομάδες πριν τον τελευταίο παγετό). Optimal germination temperature: 70F. Germinates in 7-14 days.

Transplant Outdoors: Apr 17

Transplant Leek seedlings outdoors after Apr 17. Wait until soil temperature reaches 45F. Space plants at 4/μ² (15cm απόσταση). Harden off plants for a week before moving outside.

Harvest: Jul 16

First harvest approximately Jul 16 (~90 ημέρες from transplant). Continue harvesting until first frost (Oct 5). Leek can overwinter in mild climates for continued harvest.

Συντροφική Φύτευση

✅ Καρότα✅ Κρεμμύδια✅ Σέλινο

❌ Φασόλια❌ Αρακάδες

Leek in Other Zones

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