Gardening for You: Self-harvesting sunflower seeds
Harvesting your own sunflower seeds is a rewarding end-of-summer activity. Sunflowers are annuals, completing their life cycle in one season. Annuals have four main developmental phases from seed to seed: vegetative, reproductive, ripening, and senescence. A large, fully expanded sunflower head with showy, bright-yellow, ray petals is in the full reproductive stage. Seed will be…