When should I plant Sipuli in Zone 6b?

Start Sipuli seeds indoors around Feb 4. Transplant outdoors after Mar 18. Expect first harvest around Jun 6.

What is the last frost date for Zone 6b?

The average last spring frost date for Zone 6b is Apr 15. The first fall frost averages Oct 22, giving a 190-day growing season.

Can I grow Sipuli in Zone 6b?

Yes. Sipuli needs 110 days to harvest. Zone 6b has a 190-day growing season, which is sufficient.

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🧅 Growing Sipuli in Zone 6b

Zone 6b has mild winters and a long growing season -- good conditions for Sipuli. Viimeinen halla: Apr 15. Ensimmäinen halla: Oct 22.

Planting Calendar

Indoor

Outdoor

Harvest

Feb 4Oct 22

Season: Apr 15 – Oct 22 (190 päivää)

Vyöhyke6b

Viimeinen hallaApr 15

Ensimmäinen hallaOct 22

Kausi190 päivää

Sato110 päivää

AurinkoTäysi Aurinko

When to Plant Sipuli in Zone 6b

Start Seeds Indoors: Feb 4

Start Sipuli seeds indoors around Feb 4 (10 viikkoa ennen viimeistä hallaa). Optimal germination temperature: 70F. Germinates in 7-14 days.

Transplant Outdoors: Mar 18

Transplant Sipuli seedlings outdoors after Mar 18. Wait until soil temperature reaches 45F. Space plants at 9/m² (10cm välein). Harden off plants for a week before moving outside.

Harvest: Jun 6

First harvest approximately Jun 6 (~80 päivää from transplant). Continue harvesting until first frost (Oct 22).

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

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