Raised beds, collecting rainwater as well. - perhaps tiered beds can have a French drain at the end that catches excess water run off from the rain. It would be a larger area to collect rain water and would only be extra If the other plants were all watered.
Dream Water Gardens...Down on the Farm Galvanized stock tanks, which typically hold water for livestock, are perfect for an easy-to-build water feature. Ornamental windmills spin in the breeze, complementing the farm feel of the tanks.