Naturalized bulbs look beautiful in a wooded setting. You can plant them and leave them to multiply. After the bulbs bloom the foliage will die down, but you can interplant bulbs with ground covers for a carefree and beautiful garden.For a natural look you should arrange your bulbs informally. If you toss them and plant them where they land, with small adjustments for spacing, it'll look much better than if you arrange them.Bulbs also work well in a perrenial garden. When your bulbs finish bloom.