April 30, 2018 By Shelli PooleFree Class About Aquaponic Gardening May 7th April 30, 2018 by Shelli Poole Mark Gibson, water garden specialist with Green Thumb Garden Center, will present a program on Water Gardening with Aquaponics, Monday, May 7th, at 6:30 p.m. at the Herzfeld Library, 1800 Smithers Drive, Benton.