When should I plant آفتابگردان in Zone 5a?

Start آفتابگردان seeds indoors around Apr 7. Transplant outdoors after May 5. Expect first harvest around Jul 9.

What is the last frost date for Zone 5a?

The average last spring frost date for Zone 5a is Apr 28. The first fall frost averages Oct 8, giving a 163-day growing season.

Can I grow آفتابگردان in Zone 5a?

Yes. آفتابگردان needs 90 days to harvest. Zone 5a has a 163-day growing season, which is sufficient. You can plant up to 5 successions.

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🌻 Growing آفتابگردان in Zone 5a

Zone 5a has cold winters and a moderate growing season. Timing is key for آفتابگردان in this zone. آخرین یخبندان: Apr 28. اولین یخبندان: Oct 8.

Planting Calendar

Indoor

Outdoor

Harvest

Apr 7Oct 8

Season: Apr 28 – Oct 8 (163 روز) · Succession: plant every 2 weeks (up to 5x)

منطقه5a

آخرین یخبندانApr 28

اولین یخبندانOct 8

فصل163 روز

برداشت90 روز

آفتابآفتاب کامل

When to Plant آفتابگردان in Zone 5a

Start Seeds Indoors: Apr 7

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

Transplant Outdoors: May 5

Transplant آفتابگردان seedlings outdoors after May 5. Wait until soil temperature reaches 55F. Space plants at 1/متر² (30cm فاصله). Harden off plants for a week before moving outside.

Harvest: Jul 9

First harvest approximately Jul 9 (~65 روز from transplant). Continue harvesting until first frost (Oct 8).

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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