Thanks for your questions about planting a pollinator/monarch garden.  In addition to the information on our website, Monarch Joint Venture has some great gardening resources.

http://monarchwatch.org/garden/

http://monarchwatch.org/garden/plant-list-monarchwatch.pdf

Texas plant list: http://monarchwatch.org/garden/plant-list-tx-monarchwatch.pdf

http://monarchjointventure.org/get-involved/create-habitat-for-monarchs

http://monarchjointventure.org/images/uploads/documents/GardeningforMonarchs.pdf

https://ourhabitatgarden.org/home/creatures/monarchs/milkweed/growing/

Check the BONAP maps to determine what milkweed is native to your area.  Light green counties are where that species of milkweed has historically been found. http://www.bonap.net/NAPA/TaxonMaps/Genus/County/Asclepias