When should I plant Sipuli in Zone 10a?

Start Sipuli seeds indoors around Dec 12. Transplant outdoors after Jan 23. Expect first harvest around Apr 13.

What is the last frost date for Zone 10a?

The average last spring frost date for Zone 10a is Feb 20. The first fall frost averages Dec 1, giving a 284-day growing season.

Can I grow Sipuli in Zone 10a?

Yes. Sipuli needs 110 days to harvest. Zone 10a has a 284-day growing season, which is sufficient.

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🧅 Growing Sipuli in Zone 10a

Zone 10a has a year-round growing season. Sipuli can be planted almost any time with proper planning. Viimeinen halla: Feb 20. Ensimmäinen halla: Dec 1.

Planting Calendar

Indoor

Outdoor

Harvest

Dec 12Dec 1

Season: Feb 20 – Dec 1 (284 päivää)

Vyöhyke10a

Viimeinen hallaFeb 20

Ensimmäinen hallaDec 1

Kausi284 päivää

Sato110 päivää

AurinkoTäysi Aurinko

When to Plant Sipuli in Zone 10a

Start Seeds Indoors: Dec 12

Start Sipuli seeds indoors around Dec 12 (10 viikkoa ennen viimeistä hallaa). Optimal germination temperature: 70F. Germinates in 7-14 days.

Transplant Outdoors: Jan 23

Transplant Sipuli seedlings outdoors after Jan 23. Wait until soil temperature reaches 45F. Space plants at 9/m² (10cm välein). Harden off plants for a week before moving outside.

Harvest: Apr 13

First harvest approximately Apr 13 (~80 päivää from transplant). Continue harvesting until first frost (Dec 1).

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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