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🌻 Growing সূর্যমুখী in Zone 4a
Zone 4a has cold winters and a moderate growing season. Timing is key for সূর্যমুখী in this zone. শেষ তুষারপাত: May 5. প্রথম তুষারপাত: Oct 1.
Planting Calendar
Season: May 5 – Oct 1 (149 দিন) · Succession: plant every 2 weeks (up to 4x)
When to Plant সূর্যমুখী in Zone 4a
Start Seeds Indoors: Apr 14
Start সূর্যমুখী seeds indoors around Apr 14 (3 শেষ হিমের আগে সপ্তাহ). Optimal germination temperature: 75F. Germinates in 7-14 days.
Transplant Outdoors: May 12
Transplant সূর্যমুখী seedlings outdoors after May 12. Wait until soil temperature reaches 55F. Space plants at 1/মি² (30cm দূরত্ব). Harden off plants for a week before moving outside.
Harvest: Jul 16
First harvest approximately Jul 16 (~65 দিন from transplant). Continue harvesting until first frost (Oct 1).
সঙ্গী চাষ
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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 13bPlan Your Garden সূর্যমুখী
Track সূর্যমুখী from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.
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