How long does it take to grow Sunflower?

Sunflower takes approximately 90 days from planting to harvest.

How much sun does Sunflower need?

Sunflower requires full sun (6+ hours direct sunlight per day).

Plant Sunflower at 1/sqft (12" apart) using square foot gardening spacing.

Sunflower is frost-sensitive and should not be exposed to frost.

Sunflower seeds germinate in 7-14 days at an optimal temperature of 75°F.

Start Sunflower seeds indoors 3 weeks before your last frost date, then transplant 1 weeks after last frost.

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Asteraceae family

Days to Harvest90 days

SunlightFull Sun

Frost ToleranceNone

Spacing1/sqft (12" apart)

Germination7-14 days

HardinessTender

Germ. Temp75°F

Start Indoors3 weeks before last frost

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