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How long does it take to grow a sunflower?

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Many annual sunflowers (Helianthus annuus) sprout quickly, within seven to 10 days, but you may need to wait as long as two months before the bright flowers appear. Sunflower Delights Sunflowers, one of the most interesting flowers in the garden, grow rapidly from tiny seeds into tall stalks. read more

However, where the growing season is short, sunflowers can be safely planted up to 2 weeks before the last expected spring frost. Sunflowers can take a chill or two. Where growing seasons are long, it is best to wait until the soil temperature reaches 55 degrees to 60 degrees F. read more

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