This yellow and red daisy's head IS very much related to math.... Pretty COOL math related to pine cones and nautilus seashells too! I'll add the research later when I have time... or you can go down to one of my other Daisy pins on this board! - DianaDee
How to start a Sweet Potato Vine: Place an organic sweet potato in a warm place. Wait a few days, when you see green shoots place it in water, when roots form plant it in dirt - a brand new sweet potato vine is born.