Cut the head of the sunflower off when it is in full bloom. Let it dry. Pull the seeds out. Sunflowers are super easy to grow from seeds. Bird even "plant" them.
If you are wondering how many sunflower seeds are on a sunflower, it depends on how big the sunflower is and its width. You can't just count how many are on there because every sunflower is different.
Yes, you can definitly grow a sunflower from a sunflower seed. The whole reason the sunflower produces those sunflower seeds, is so that when the seeds mature and fall off the flower, they grow new...