Do sunflowers die after they bloom?

Growing sunflower seeds encourages wild birds to visit your yard, and you can prolong their visits by saving some seeds for later. To feed birds with homegrown sunflower seeds requires little effort. Just don't remove the sunflowers after they bloom. Birds will soon find the seeds as they ripen. read more

Varieties of Sunflowers Sunflowers grow as annuals or perennials. Annual flowers can have either small or large seeds. They bloom in late spring in the year they're planted and have stringy roots. read more

If you have planted a giant sunflower, do not forget to harvest the seeds before the birds do it for you. The leaves along the stalk may still be green; they start their end-of-season decline after the yellow petals surrounding the seed-heavy head are dead or have already dropped. read more