On a sunny day a mother butterfly lays her egg outside in the Garden. About seven day later the caterpillar emerges from the egg. first the caterpillar begin to looks for food. The caterpillar first eat milk weed , leaves from the swan plant. Contains poison that is used by the butterfly to protect itself from it predator. The caterpillar eats lots of leaves until its fat. After that the caterpillar goes under a leaves and hangs up side down and turns into a chrysalis. Two week later the butterfly comes out of the chrysalis slow. Waits until its wing are dry. Then the butterfly is able to fly.