This year, the annual celebration will celebrate our Centennial Tree program and Moon Tree. The day takes place from 11-4 p.m., and it will include a diamondback terrapin demonstration in the Gerlach Plant Information Center from 12-2 p.m., exhibitor booths, local vendors, free activities and live music from Tommy Ellison. City of Birmingham Parks and Recreation, Fresh Air Family, Jefferson County Storm Water Management, Little Red Photobooth, Winfield and Elinor Burks, GASP (clean air), Wild South, Media Mint Publishing and Birmingham Henna will serve as partners and vendors for the event. The event is free to the public! Community Garden Coalition for Birmingham and Birmingham Botanical Gardens will partner for this event.