Quick answer: 5 monarch host plants are native to Texas, 5 with a live listing as of 24 Oct 2026.
5 species
- Antelope-horns milkweed Asclepias asperula · 2 states
- Butterflyweed Asclepias tuberosa · 40 states
- Showy milkweed Asclepias speciosa · 17 states
- Swamp milkweed Asclepias incarnata · 37 states
- Whorled milkweed Asclepias verticillata · 30 states