I showed photos from a post on zoysia, water use, and fact checking, to show that when irrigation is restricted, and it doesn't rain---drought conditions---zoysia needs more water than bermuda to stay green and growing. The post is here: https://www.asianturfgrass.com/post/zoysia-and-water-use/

Find out more about soil tests with ATC at https://www.asianturfgrass.com/project/soil-tests/