I live in 8B in central TX and noticed the other day that a local nursery was selling Carob and Tamarind trees. That seemed really optimistic to me so I checked up on them. Established carob are hardy to 20 F which means it would be fine here in most years but would need help while young and in bad years. Tamarind is on supposed to go to 25 F which means it would have to be moved into a greenhouse or grown in ground inside one here. People work hard in TX to push the envelope, especially around Houston.
