There are many variables that can play in identifying how much water is needed for a bush tucker garden such as the type and variety of plants, size of the garden, existing weather condition and more.
This article suggests that during dry season, most plants need about 30mm of water each week and bush tuckers will probably need less.
EWB Australia acknowledges the traditional custodians of country throughout Australia and recognise their continuing connection to land, waters and community. We pay our respects to them, their cultures and their land; to Elders both past and present; and to emerging leaders. We recognise that the Aboriginal & Torres Strait Islander people never ceded sovereignty of what we call Australia.