Cutting sunflowers in fall keeps gardens tidy, reduces pests, and frees space for other plants. Leaving them benefits soil health, adds nutrients, and provides seeds for birds. Both options ...
Field of sunflowers growing against a blue sky with white clouds. - Thing Nong Nont/Getty Images Giants among flowers, sunflowers (Helianthus annuus) can grow up to 12 feet tall. Their round heads ...
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