Tags: Garden.
Mercer Arboretum and Botanic Gardens (over 250 acres) are county botanical gardens with an arboretum and natural areas located at 2306 Aldine Westfield Road in unincorporated Harris County Texas United States. They are open daily with free admission.The gardens are named after Thelma and Charles Mercer who purchased 14.5 acres (59000 m2) in the late 1940s for their home and garden.