Organic permaculture or drought-tolerant xeric landscape designs all benefit from a rich ecology. Creating habitat can be as simple as some wood with holes in it facing South.
A source of mud can also be very helpful for native Mason Bees.
If wasps try to move in on your masonry bee habitat, their hives can be cleared out with soap and water in a spray bottle in the cool of the evening. Waspinator can also be a solution telling Wasps that this area is already occupied.
