When should I plant Sipuli in Zone 1a?

Start Sipuli seeds indoors around Mar 16. Transplant outdoors after Apr 27. Expect first harvest around Jul 16.

What is the last frost date for Zone 1a?

The average last spring frost date for Zone 1a is May 25. The first fall frost averages Aug 28, giving a 95-day growing season.

Can I grow Sipuli in Zone 1a?

Zone 1a has a 95-day growing season, which may be too short for Sipuli (110 days needed). Consider short-season varieties or season extension techniques.

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🧅 Growing Sipuli in Zone 1a

Zone 1a has harsh winters and a short growing season. Start Sipuli early indoors to maximize your harvest window. Viimeinen halla: May 25. Ensimmäinen halla: Aug 28.

Season Too Short

Sipuli needs 110 days to harvest, but Zone 1a has only a 95-day growing season. Consider short-season varieties or season extension techniques.

Vyöhyke1a

Viimeinen hallaMay 25

Ensimmäinen hallaAug 28

Kausi95 päivää

Sato110 päivää

AurinkoTäysi Aurinko

When to Plant Sipuli in Zone 1a

Start Seeds Indoors: Mar 16

Start Sipuli seeds indoors around Mar 16 (10 viikkoa ennen viimeistä hallaa). Optimal germination temperature: 70F. Germinates in 7-14 days.

Transplant Outdoors: Apr 27

Transplant Sipuli seedlings outdoors after Apr 27. Wait until soil temperature reaches 45F. Space plants at 9/m² (10cm välein). Harden off plants for a week before moving outside.

Harvest: Jul 16

First harvest approximately Jul 16 (~80 päivää from transplant). Continue harvesting until first frost (Aug 28).

Kumppaniviljely

✅ Mansikat✅ Kaali✅ Punajuuret✅ Salaatti✅ Porkkanat✅ Tomaatit

❌ Pavut❌ Herneet

Sipuli 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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