Monarch caterpillars have been spotted in our pollinator gardens! Monarch butterflies will spend two to five weeks laying hundreds of eggs on milkweed plants, which will hatch after 3-5 days. Once hatched, the monarch larvae turn into eating machines and grow to over 2,000 times their original mass, shedding their skin multiple times along the way as they grow. After being in the larval caterpillar stage for two weeks they are ready to pupate and will hang upside down to form a chrysalis, emergi