When should I plant آفتابگردان in Zone 1a?

Start آفتابگردان seeds indoors around May 4. Transplant outdoors after Jun 1. Expect first harvest around Aug 5.

What is the last frost date for Zone 1a?

The average last spring frost date for Zone 1a is May 25. The first fall frost averages Aug 28, giving a 95-day growing season.

Can I grow آفتابگردان in Zone 1a?

Yes. آفتابگردان needs 90 days to harvest. Zone 1a has a 95-day growing season, which is sufficient.

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🌻 Growing آفتابگردان in Zone 1a

Zone 1a has harsh winters and a short growing season. Start آفتابگردان early indoors to maximize your harvest window. آخرین یخبندان: May 25. اولین یخبندان: Aug 28.

Planting Calendar

Indoor

Outdoor

Harvest

May 4Aug 28

Season: May 25 – Aug 28 (95 روز)

منطقه1a

آخرین یخبندانMay 25

اولین یخبندانAug 28

فصل95 روز

برداشت90 روز

آفتابآفتاب کامل

When to Plant آفتابگردان in Zone 1a

Start Seeds Indoors: May 4

Start آفتابگردان seeds indoors around May 4 (3 هفته قبل از آخرین سرمازدگی). Optimal germination temperature: 75F. Germinates in 7-14 days.

Transplant Outdoors: Jun 1

Transplant آفتابگردان seedlings outdoors after Jun 1. Wait until soil temperature reaches 55F. Space plants at 1/متر² (30cm فاصله). Harden off plants for a week before moving outside.

Harvest: Aug 5

First harvest approximately Aug 5 (~65 روز from transplant). Continue harvesting until first frost (Aug 28).

کاشت همراه

✅ خیارها✅ کدو ✅ ذرت✅ لوبیا

❌ سیب‌زمینی‌ها

آفتابگردان 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

Plan Your Garden آفتابگردان

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

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