Angela Judd on Instagram: "Wondering when to harvest sunflower seeds? Timing is everything. 🌻 If you want big, fully developed edible seeds, don’t rush it. You can cut the head when it’s yellow if you need to protect it from birds (just leave a few inches of stem and hang it upside down to finish ripening). For the fullest seeds, letting it ripen on the plant is best. Wait until the back of the sunflower head turns brown, that’s your best sign the seeds have finished developing and the kernels