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What is WUCOLS?

Water Use Classifications of Landscape Species

Water Use Classifications of Landscape Species (WUCOLS) provides a guide to estimating irrigation water needs of landscape plantings in

each of 6 distinct California climate regions. WUCOLS was developed by the University of California Cooperative Extension in cooperation

with landscape professionals and funded by the California Department of Water Resources.

Click pdf icon to view or download WUCOLS IV plant list. Learn more about WUCOLS here









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