I think I have discovered a subtropical rhubarb in Australia, two actually, Southern Ruby and Sydney Crimson. These are seeds and I am finding that seeds shipped by international mail are not xrayed as often as the courier companies. As always, the unique climate of this areat will require some experimenting, and treating them as an annuals, not perennials. Interesting website and back story. He also offers fungus inoculated black truffle trees, but they are expensive and difficult to import to