Aldridge Gardens features hydrangeas and other native plants and attracts interest worldwide to the central Alabama area. The 30-acre botanical garden has a seven-acre lake in the middle of the property with a walking trail around it, and its first garden is laden with many different varieties of hydrangeas. The signature flower of Aldridge Gardens is the Snowflake Hydrangea, a lush white flower developed and propagated by noted nurseryman, Eddie Aldridge. Free Admission.