Monarch caterpillars have only one source of food – milkweed. If you learn how to identify milkweed, you will have no problem finding and raising your own Monarch butterflies. The milkweed plant is shown in the photo on the left. Around here, you might start to see some eggs and larva in June, but you will see an increase in eggs after the plant blossoms. The blossoms on the milkweed in our area are a pinkish-purple color.(Of course when this all happens depends on our weather). When Monarchs lay their eggs, they do it on the underside of the leaves of the milkweed plant. You will only ever find one or two per leaf. The eggs are very small, approximately 1 mm in diameter. The photo on the right shows a child pointing to a small egg on the milkweed leaf. There are other things that could be on the leaf that are not eggs, including small bugs. Here is a close up of the egg with a microscope to give you a better idea of the ...