Amber Walker, owner of Whole Health Oklahoma, LLC, talks about the Tower Garden with Anthony Fletcher at the Green Grow Expo at State Fair Park, Saturday, March 2, 2019. Photo by Doug Hoke, The Oklahoman
Tower Garden, a hydroponic, expandable growing set up at the Whole Health Oklahoma, LLC booth at the Green Grow Expo at State Fair Park, Saturday, March 2, 2019. Photo by Doug Hoke, The Oklahoman
Addison Early, 10, Choctaw, has her face painted at the Green Grow Expo at State Fair Park, Saturday, March 2, 2019. Photo by Doug Hoke, The Oklahoman
Myona Baser talks with a visitor at the Food Safety Testing booth at the Green Grow Expo at State Fair Park, Saturday, March 2, 2019. Photo by Doug Hoke, The Oklahoman
Green Grow H20 booth at Mr. Green Dispensary booth at the Green Grow Expo at State Fair Park, Saturday, March 2, 2019. Photo by Doug Hoke, The Oklahoman
Green Grow H20 booth at Mr. Green Dispensary booth at the Green Grow Expo at State Fair Park, Saturday, March 2, 2019. Photo by Doug Hoke, The Oklahoman
Tammy Bivens and Donna Hansen, both from Ardmore, sports facepaint and colorful hair at the Green Grow Expo at State Fair Park, Saturday, March 2, 2019. Photo by Doug Hoke, The Oklahoman
Rolling accessories on a table at the Green Grow Expo at State Fair Park, Saturday, March 2, 2019. Photo by Doug Hoke, The Oklahoman
A variety of smoking accessories available at Mr. Green Dispensary booth at the Green Grow Expo at State Fair Park, Saturday, March 2, 2019. Photo by Doug Hoke, The Oklahoman
Marissa Jimenez, left, and Amanda Huffman at Mr. Green Dispensary booth at the Green Grow Expo at State Fair Park, Saturday, March 2, 2019. Photo by Doug Hoke, The Oklahoman
Green Fusion LED grow lights booth at the Green Grow Expo at State Fair Park, Saturday, March 2, 2019. Photo by Doug Hoke, The Oklahoman
A variety of smoking accessories available at Mr. Green Dispensary booth at the Green Grow Expo at State Fair Park, Saturday, March 2, 2019. Photo by Doug Hoke, The Oklahoman
Green Grow Expo at State Fair Park, Saturday, March 2, 2019. Photo by Doug Hoke, The Oklahoman
Tommy Gragg, owner of Red Dirt Labs, at the Green Grow Expo at State Fair Park, Saturday, March 2, 2019. Photo by Doug Hoke, The Oklahoman
Tokie Tees at the Green Grow Expo at State Fair Park, Saturday, March 2, 2019. Photo by Doug Hoke, The Oklahoman
A pop up grow tent at the Green Grow Expo at State Fair Park, Saturday, March 2, 2019. Photo by Doug Hoke, The Oklahoman
at the Green Grow Expo at State Fair Park, Saturday, March 2, 2019. Photo by Doug Hoke, The Oklahoman
A blow up figure marks the building for the Green Grow Expo at State Fair Park, Saturday, March 2, 2019. Photo by Doug Hoke, The Oklahoman