I did some more research and I see that there is a Passiflora species (P. incarnata) that grows in Texas, but that isn't what is generally referred to as passio

I did some more research and I see that there is a Passiflora species (P. incarnata) that grows in Texas, but that isn't what is generally referred to as passion fruit. P. edulis would be what the above commenter is referring to.