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Sunflower plant growing in a garden

Photo: Wikimedia Commons

Growing Sunflower

Sunflowers are fast-growing cheerful and attract pollinators — some varieties produce edible seeds.

Quick Answer: Sunflower grows in Zones 2a–11b, taking 60–80 days to harvest. It's one of the easiest crops to grow.
🌡️ Zones 2a–11b ☀️ Full Sun 💧 Low Water 🌱 Beginner Friendly 🪴 Container OK (5+ gal) 🏜️ Drought Tolerant 🐾 Pet Safe

Can You Grow Sunflower in Your Area?

Growing Tips

Direct sow after last frost in the sunniest spot available. No transplanting needed. Giant varieties need staking. Harvest seed heads when the back turns brown and seeds are firm.

Where Does Sunflower Grow?

Sunflower is suited to Zones 2a–11b. Here are some areas where it thrives:

✅ Zone 2a ✅ Zone 2b ✅ Zone 3a ✅ Zone 3b ✅ Zone 4a ✅ Zone 4b ✅ Zone 5a ✅ Zone 5b ✅ Zone 6a ✅ Zone 6b ✅ Zone 7a ✅ Zone 7b
Won't grow outdoors in: very cold zones (below Zone 2a) . Sunflowers grow in virtually any zone with a few weeks of warm weather.

Frequently Asked Questions

Sunflower grows in USDA Zones 2a–11b.
Yes — Sunflower is beginner-friendly.
Yes — use a 5+ gallon pot.
Sunflower is safe for dogs and safe for cats.