Hmmm...
Ida thought asclepias tuberosa for sure... especially in Dallas...
I see those antelope horns milkweed (Asclepias asperula)... makes me envious...
https://dallascountymastergard...
Have you researched matelea vines yet? you all have some really pretty ones out there...
I find matelea fairly easy to grow from seed... the monarchs will use them, as much as any other milkweed...
Found a post discussing Pearl Milkweed 'Matelea reticulata' here in tx forum:
The thread "Looking for Pearl Milkweed 'Matelea reticulata' Seeds" in
Texas Gardening forum