Do you cut off dead sunflower heads?

Save sunflower heads for seeds. When the flowers droop and the back side is yellowish green, cut the stalk about a foot below the flower. Wrap a paper bag around the head to catch the seeds as they dry. read more

Cutting off a sunflower (Helianthus spp.) bloom can serve several purposes, depending on the type of sunflower you grow. With annual varieties, the only reasons to cut off the dead blooms is to harvest the seeds. But perennials can grow new blooms if deadheaded, in addition to providing you with seeds. read more

As a general rule, deadhead flowers when they start to fade, or when they are damaged and no longer attractive, but do so before they produce seeds. When a sunflower's flower head stops looking as vibrant as it once did or when its yellow ray petals have fallen off, select it for deadheading. read more