When should I plant گل کلم in Zone 3b?

Start گل کلم seeds indoors around Apr 3. Transplant outdoors after May 1. Expect first harvest around Jun 30.

What is the last frost date for Zone 3b?

The average last spring frost date for Zone 3b is May 15. The first fall frost averages Sep 22, giving a 130-day growing season.

Can I grow گل کلم in Zone 3b?

Yes. گل کلم needs 75 days to harvest. Zone 3b has a 130-day growing season, which is sufficient.

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🥦 Growing گل کلم in Zone 3b

Zone 3b has harsh winters and a short growing season. Start گل کلم early indoors to maximize your harvest window. آخرین یخبندان: May 15. اولین یخبندان: Sep 22.

Planting Calendar

Indoor

Outdoor

Harvest

Apr 3Sep 22

Season: May 15 – Sep 22 (130 روز)

منطقه3b

آخرین یخبندانMay 15

اولین یخبندانSep 22

فصل130 روز

برداشت75 روز

آفتابآفتاب کامل

When to Plant گل کلم in Zone 3b

Start Seeds Indoors: Apr 3

Start گل کلم seeds indoors around Apr 3 (6 هفته قبل از آخرین سرمازدگی). Optimal germination temperature: 70F. Germinates in 5-10 days.

Transplant Outdoors: May 1

Transplant گل کلم seedlings outdoors after May 1. Wait until soil temperature reaches 50F. Space plants at 1/متر² (30cm فاصله). Harden off plants for a week before moving outside.

Harvest: Jun 30

First harvest approximately Jun 30 (~60 روز from transplant). Continue harvesting until first frost (Sep 22).

Fall Planting: Jun 30

For a fall harvest, plant گل کلم around Jun 30 (12 weeks before first frost).

کاشت همراه

✅ اسفناج ✅ کرفس ✅ آویشن✅ لوبیا

❌ گوجه‌فرنگی‌ها❌ توت فرنگی‌ها❌ نخود فرنگی‌ها

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

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