When should I plant گل کلم in Zone 4a?

Start گل کلم seeds indoors around Mar 24. Transplant outdoors after Apr 21. Expect first harvest around Jun 20.

What is the last frost date for Zone 4a?

The average last spring frost date for Zone 4a is May 5. The first fall frost averages Oct 1, giving a 149-day growing season.

Can I grow گل کلم in Zone 4a?

Yes. گل کلم needs 75 days to harvest. Zone 4a has a 149-day growing season, which is sufficient.

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🥦 Growing گل کلم in Zone 4a

Zone 4a has cold winters and a moderate growing season. Timing is key for گل کلم in this zone. آخرین یخبندان: May 5. اولین یخبندان: Oct 1.

Planting Calendar

Indoor

Outdoor

Harvest

Mar 24Oct 1

Season: May 5 – Oct 1 (149 روز)

منطقه4a

آخرین یخبندانMay 5

اولین یخبندانOct 1

فصل149 روز

برداشت75 روز

آفتابآفتاب کامل

When to Plant گل کلم in Zone 4a

Start Seeds Indoors: Mar 24

Start گل کلم seeds indoors around Mar 24 (6 هفته قبل از آخرین سرمازدگی). Optimal germination temperature: 70F. Germinates in 5-10 days.

Transplant Outdoors: Apr 21

Transplant گل کلم seedlings outdoors after Apr 21. Wait until soil temperature reaches 50F. Space plants at 1/متر² (30cm فاصله). Harden off plants for a week before moving outside.

Harvest: Jun 20

First harvest approximately Jun 20 (~60 روز from transplant). Continue harvesting until first frost (Oct 1).

Fall Planting: Jul 9

For a fall harvest, plant گل کلم around Jul 9 (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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