do sunflowers come back each year - GARDENING
Sunflowers can either be annuals or perennials, depending on the variety you choose to plant. Annual sunflowers complete their life cycle in one season, while perennial sunflowers reappear each year. Giants among flowers, sunflowers (Helianthus annuus) can grow up to 12 feet tall.
Context Explanation
Their round heads aren't a single blossom; they're made up of hundreds of tiny blooms that become the large black ... Sunflowers have both nectar to feed the bees, and pollen for the bees to take back to the nest. (The bee larvae feed on the pollen.) I asked LeBuhn why this particular sunflower? She told me, “Lemon Queen has pollen, multiple flowers (it will bloom for longer), is not too large (grows in a pot) and is fairly inexpensive.