When should I plant Sibul in Zone 9b?

Start Sibul seeds indoors around Dec 30. Transplant outdoors after Feb 10. Expect first harvest around May 1.

What is the last frost date for Zone 9b?

The average last spring frost date for Zone 9b is Mar 10. The first fall frost averages Nov 15, giving a 250-day growing season.

Can I grow Sibul in Zone 9b?

Yes. Sibul needs 110 days to harvest. Zone 9b has a 250-day growing season, which is sufficient.

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🧅 Growing Sibul in Zone 9b

Zone 9b has warm winters and an extended growing season -- excellent for heat-loving crops like Sibul. Viimane öökülm: Mar 10. Esimene öökülm: Nov 15.

Planting Calendar

Indoor

Outdoor

Harvest

Dec 30Nov 15

Season: Mar 10 – Nov 15 (250 päeva)

Tsoon9b

Viimane öökülmMar 10

Esimene öökülmNov 15

Hooaeg250 päeva

Saak110 päeva

PäikeTäispäike

When to Plant Sibul in Zone 9b

Start Seeds Indoors: Dec 30

Start Sibul seeds indoors around Dec 30 (10 nädalat enne viimast külma). Optimal germination temperature: 70F. Germinates in 7-14 days.

Transplant Outdoors: Feb 10

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

Harvest: May 1

First harvest approximately May 1 (~80 päeva from transplant). Continue harvesting until first frost (Nov 15).

Kaaslasistutamine

✅ Maasikad✅ Kapsas✅ Peedi✅ Salat✅ Porgandid✅ Tomatid

❌ Oad❌ Herned

Sibul 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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