Flower Mound, TX Landscaping Rules: Tree Removal & Heritage Trees (2026)

Flower Mound's tree preservation ordinance, administered by the Environmental Services Division, requires a permit before removing any protected tree that meets or exceeds the minimum caliper threshold (typically 6 inches diameter at breast height for most species, with lower thresholds for certain Cross Timbers species). Post oaks and blackjack oaks native to the Cross Timbers receive enhanced protection due to their ecological significance and slow growth rates. When a protected tree must be removed, the property owner must submit a tree removal application with a site plan showing the tree location, species, and caliper measurement. Approved removals require mitigation, which may take the form of replacement plantings on-site (caliper-for-caliper or a multiplied ratio for high-value species) or payment into the town's tree mitigation fund. Dead, diseased, or hazardous trees may qualify for expedited removal without full mitigation, but a certified arborist assessment may be required. During land development, tree surveys and preservation plans are mandatory components of site plan approval. The town has denied or modified development proposals to protect significant Cross Timbers stands.