🌻 How to Grow Sunflower

Sunflowers are among the easiest flowers to grow from seed. They attract pollinators, provide edible seeds, and make spectacular cut flowers. Giants can reach 12+ feet with dinner-plate-sized heads.

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Sun Requirements
Full sun (6+ hrs)
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Watering
Moderate — drought tolerant once established
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Spacing
6 inches (short varieties) to 18–24 inches (giants)
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Days to Harvest
70–100 days to seed harvest; blooms in 60–80 days
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Hardy Zones
Zones 2–11
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Seed Start
Direct sow after last frost OR start 2–3 weeks early indoors

About Sunflower

Family: Asteraceae  ·  Type: Flower / Edible

Sunflowers are among the easiest flowers to grow from seed. They attract pollinators, provide edible seeds, and make spectacular cut flowers. Giants can reach 12+ feet with dinner-plate-sized heads.

Sunflowers grow as annuals in all zones. Extremely adaptable — from Zone 2 to 11. Just need warm soil (60°F+) and direct sunlight.

How to Grow Sunflower: Step-by-Step

Let Cloche track it for you. Add Sunflower to your Cloche garden and get a personalized weekly care plan — watering reminders, fertilizing schedule, and frost alerts tailored to your ZIP code.

Zone-by-Zone Growing Guide

Sunflowers grow as annuals in all zones. Extremely adaptable — from Zone 2 to 11. Just need warm soil (60°F+) and direct sunlight.

Zone 3a Zone 3b Zone 4a Zone 4b Zone 5a Zone 5b Zone 6a Zone 6b Zone 7a Zone 7b Zone 8a Zone 8b Zone 9a Zone 9b Zone 10a Zone 10b

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Grow Better Sunflower This Season

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