When should I plant Sibul in Zone 9a?

Start Sibul seeds indoors around Jan 9. Transplant outdoors after Feb 20. Expect first harvest around May 11.

What is the last frost date for Zone 9a?

The average last spring frost date for Zone 9a is Mar 20. The first fall frost averages Nov 12, giving a 237-day growing season.

Can I grow Sibul in Zone 9a?

Yes. Sibul needs 110 days to harvest. Zone 9a has a 237-day growing season, which is sufficient.

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🧅 Growing Sibul in Zone 9a

Zone 9a has warm winters and an extended growing season -- excellent for heat-loving crops like Sibul. Viimane öökülm: Mar 20. Esimene öökülm: Nov 12.

Planting Calendar

Indoor

Outdoor

Harvest

Jan 9Nov 12

Season: Mar 20 – Nov 12 (237 päeva)

Tsoon9a

Viimane öökülmMar 20

Esimene öökülmNov 12

Hooaeg237 päeva

Saak110 päeva

PäikeTäispäike

When to Plant Sibul in Zone 9a

Start Seeds Indoors: Jan 9

Start Sibul seeds indoors around Jan 9 (10 nädalat enne viimast külma). Optimal germination temperature: 70F. Germinates in 7-14 days.

Transplant Outdoors: Feb 20

Transplant Sibul seedlings outdoors after Feb 20. Wait until soil temperature reaches 45F. Space plants at 9/m² (10cm vahekaugus). Harden off plants for a week before moving outside.

Harvest: May 11

First harvest approximately May 11 (~80 päeva from transplant). Continue harvesting until first frost (Nov 12).

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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