When should I plant Sipuli in Zone 2a?

Start Sipuli seeds indoors around Mar 6. Transplant outdoors after Apr 17. Expect first harvest around Jul 6.

What is the last frost date for Zone 2a?

The average last spring frost date for Zone 2a is May 15. The first fall frost averages Sep 15, giving a 123-day growing season.

Can I grow Sipuli in Zone 2a?

Yes. Sipuli needs 110 days to harvest. Zone 2a has a 123-day growing season, which is sufficient.

🧅

🧅 Growing Sipuli in Zone 2a

Zone 2a has harsh winters and a short growing season. Start Sipuli early indoors to maximize your harvest window. Viimeinen halla: May 15. Ensimmäinen halla: Sep 15.

Planting Calendar

Indoor

Outdoor

Harvest

Mar 6Sep 15

Season: May 15 – Sep 15 (123 päivää)

Vyöhyke2a

Viimeinen hallaMay 15

Ensimmäinen hallaSep 15

Kausi123 päivää

Sato110 päivää

AurinkoTäysi Aurinko

When to Plant Sipuli in Zone 2a

Start Seeds Indoors: Mar 6

Start Sipuli seeds indoors around Mar 6 (10 viikkoa ennen viimeistä hallaa). Optimal germination temperature: 70F. Germinates in 7-14 days.

Transplant Outdoors: Apr 17

Transplant Sipuli seedlings outdoors after Apr 17. Wait until soil temperature reaches 45F. Space plants at 9/m² (10cm välein). Harden off plants for a week before moving outside.

Harvest: Jul 6

First harvest approximately Jul 6 (~80 päivää from transplant). Continue harvesting until first frost (Sep 15).

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

Plan Your Garden Sipuli

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

Start Free Sipuli Growing Guide