A female monarch drinks nectar from a butterfly milkweed plant in the gardens at the GreenUP Store in downtown Peterborough.
A female monarch drinks nectar from a butterfly milkweed plant in the gardens at the GreenUP Store in downtown Peterborough. She was also observed laying two eggs on the underside of the milkweed leaves; milkweed is the host plant for the monarch butterfly. (Photo: Karen Halley)