Mushrooms.
You'd have to compete against Canberra. They seem to have the mushroom market cornered. That is the crop you keep in the dark and feed on bull**** isn't it?
There's a worldwide scarcity of garlic at the moment.
http://www.google.com.au/#hl=en&source=hp&q=garlic+shortage&meta=&aq=0&oq=garlic+shorta&fp=612d84aabfa6a492
Can't go wrong. Easy to grow.
