You know when I was a kid, more than 50years ago, the Sydney region climate was classed as temperate. Now we are definitely sub-tropical.
The good thing about growing your own, is that you can create micro-climates in your gardens and grow plants with different climate requirements at the same time.
So this list is for sub-tropical Sydney from Gardenate http://www.gardenate.com/plants
Broad beans; Fava beans, Beetroot, Cabbage, Carrot, Cauliflower, Celeriac, Celery, Chicory, Chives, Collards, Endive, Garlic, Kale, Kohlrabi, Lettuce, Mustard greens, Onion, Parsnip, Peas, Radish, Rocket, Shallots; Eschalots, Silverbeet; Swiss Chard, Snow Peas; Sugar Peas.
You can also click onto this blog’s planting guide pages for more information.