Once your sunflowers have died back completely and the backs of the blooms are brown, it's time to harvest. You'll also notice the seeds are plump and somewhat loose. Cut the stalk with sharp scissors or pruners, about one foot down from the flower head, and place in a container that can catch any loose seeds.Oct 12, 2016
Do all sunflowers produce sunflower seeds?
Any sunflower will produce sunflower seeds, and you can eat the seeds from any one of them. However, it is much easier to eat seeds from a sunflower which is bred for its edible seeds than one which is bred for its blooms.Jun 12, 2021