Flower Mound residents are required to reasonably maintain the landscaping of their property by pruning, trimming, watering, and other requirements necessary to create an attractive appearance. Drainage and Right-of-Way performs tree trimming along rural sections of paved roadways adjacent to undeveloped and uninhabited properties. Tree trimming is typically performed once annually, during the off season, from October through March. For information on tree trimming, please contact 972.874.6400.