When should I plant آفتابگردان in Zone 3a?

Start آفتابگردان seeds indoors around May 1. Transplant outdoors after May 29. Expect first harvest around Aug 2.

What is the last frost date for Zone 3a?

The average last spring frost date for Zone 3a is May 22. The first fall frost averages Sep 12, giving a 113-day growing season.

Can I grow آفتابگردان in Zone 3a?

Yes. آفتابگردان needs 90 days to harvest. Zone 3a has a 113-day growing season, which is sufficient. You can plant up to 1 successions.

🌻

🌻 Growing آفتابگردان in Zone 3a

Zone 3a has harsh winters and a short growing season. Start آفتابگردان early indoors to maximize your harvest window. آخرین یخبندان: May 22. اولین یخبندان: Sep 12.

Planting Calendar

Indoor

Outdoor

Harvest

May 1Sep 12

Season: May 22 – Sep 12 (113 روز) · Succession: plant every 2 weeks (up to 1x)

منطقه3a

آخرین یخبندانMay 22

اولین یخبندانSep 12

فصل113 روز

برداشت90 روز

آفتابآفتاب کامل

When to Plant آفتابگردان in Zone 3a

Start Seeds Indoors: May 1

Start آفتابگردان seeds indoors around May 1 (3 هفته قبل از آخرین سرمازدگی). Optimal germination temperature: 75F. Germinates in 7-14 days.

Transplant Outdoors: May 29

Transplant آفتابگردان seedlings outdoors after May 29. Wait until soil temperature reaches 55F. Space plants at 1/متر² (30cm فاصله). Harden off plants for a week before moving outside.

Harvest: Aug 2

First harvest approximately Aug 2 (~65 روز from transplant). Continue harvesting until first frost (Sep 12).

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.

Start Free آفتابگردان Growing Guide