The Town of Castle Rock has landscape design regulations that developers are required to follow. Developers can only plant low-water use plants, Kentucky Blue Grass is not permitted, and efficient irrigation practices are required. The Plant Finder on CRconserve.com includes many of the low-water use plants from this required list. Kentucky Blue Grass has been restricted on commercial properties and now, it is no longer permitted on residential new construction. Instead, builders can select a drought-tolerant turf such as Texas Hybrid Blue Grass. Additionally, smart controllers have been required on non-residential new construction, but are now required for all residential new construction. Other requirements for new construction and renovation include rain sensors, 6-inch pop-up height minimum for all sprinkler heads, internal check valves, and internal pressure regulation. These regulations can be found at CRgov.com/Plans. Castle Rock Water hopes these regulations continue to become more Coloradoscape-minded and that developers and residents welcome colorful landscapes with less turf.