Business has been slow at C&S Nursery Inc. in Baldwin Hills. Cristian Rosales, who owns the company with his brother Santiago, said the slowdown this summer was due to customers being reluctant to buy new plants. … The strict restrictions on outdoor watering have severely pruned business at nurseries throughout the Los Angeles area with one owner claiming sales were down 90% in August. They agree their future may lie with native California plants and growing material that uses less water. The water restrictions are from the Metropolitan Water District (MWD), which in April asked its member water agencies to either go to a one-day a week watering schedule or go on a water budget – a setting of volumetric limits on the amount of water used.