"Landscape irrigation" refers to the process of watering or providing water to plants, grass, or gardens that are outdoors or part of the natural environment. Full definition
They have lower attitudes toward water conservation and less confidence in their ability to adopt good landscape irrigation practices and technologies. (sciencedaily.com)
Perhaps even have a diverter for the grey water to enable using that for landscaping irrigation even though I'd be hooked up to the sewer system. (tinyhousetalk.com)
«Water savvy conservationists» are most likely to engage in landscape irrigation conservation practices, and they're more likely to use professionals for various landscape tasks. (sciencedaily.com)