Here are a couple of sites that give some great information on how to raise monarchs:
https://mylifeabundant.com/raising-monarch-butterflies-at-home/
https://monarchjointventure.org/get-involved/create-habitat-for-monarchs
https://mylifeabundant.com/raising-monarch-butterflies-at-home/
https://monarchjointventure.org/get-involved/create-habitat-for-monarchs