When should I plant সূর্যমুখী in Zone 5b?

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

What is the last frost date for Zone 5b?

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

Can I grow সূর্যমুখী in Zone 5b?

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

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🌻 Growing সূর্যমুখী in Zone 5b

Zone 5b has cold winters and a moderate growing season. Timing is key for সূর্যমুখী in this zone. শেষ তুষারপাত: Apr 28. প্রথম তুষারপাত: Oct 8.

Planting Calendar

Indoor

Outdoor

Harvest

Apr 7Oct 8

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

জোন5b

শেষ তুষারপাতApr 28

প্রথম তুষারপাতOct 8

মরসুম163 দিন

ফসল90 দিন

সূর্যপূর্ণ রোদ

When to Plant সূর্যমুখী in Zone 5b

Start Seeds Indoors: Apr 7

Start সূর্যমুখী seeds indoors around Apr 7 (3 শেষ হিমের আগে সপ্তাহ). Optimal germination temperature: 75F. Germinates in 7-14 days.

Transplant Outdoors: May 5

Transplant সূর্যমুখী seedlings outdoors after May 5. Wait until soil temperature reaches 55F. Space plants at 1/মি² (30cm দূরত্ব). Harden off plants for a week before moving outside.

Harvest: Jul 9

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

সঙ্গী চাষ

✅ শশা✅ কুমড়ো ✅ ভুট্টা✅ শিম

❌ আলু

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

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