Here are a few low
water plants.
Apricot (stark bro have a sweet kernel one, which makes it a fruit and a nut in one talk about function stacking), Oregon Myrtle, Almond, Jujube, Palms (dates, jelly palm, etc) Autumn Olive, Mulberry, Pineapple Guava, Bay Tree, Fruiting Roses, Pomegranate, Beautyberry, Gooseberries, Strawberry Tree, Eucalyptus, Grapes, Figs, Olive, Walnut. Anything in the mint family(lavender, oregano, thyme, sage, etc)
Another good idea is to re-use your greywater from the laundry,
shower, kitchen but not toilet to water the plant.
You could also look into aquaponics to grow your veggies and maybe a few fish.