Denver — GrowGeneration Corp., the nation’s largest chain of specialty hydroponic and organic garden centers, has opened a new hydroponic garden center to serve the emerging Mississippi market. The new store in Jackson becomes the first in Mississippi, and the company’s 64th store nationwide and will expand the number of states the company operates in to 14. The store opened on June 27, 2022. Additionally, the company has signed two leases in North Chesterfield, Va., and Hazelwood, Mo. These stores are expected to be opened in the second half of …