new pot businesses and one of the fastest growing industries is the retail marijuana market. >> thank you, guys, take care. >> reporter: more than 160 recreational pot stores now call colorado home. one of the largest of the these stores is uflora. it's a one-stop shop for all things cannabis. >> it's located on the 16th street mall. after the passing of amendment 64 we kicked it in high gear. we will hire three to five more people in the next month because we're so busy. >> it's mind-blowing. >> reporter: customers can choose from 20 different varieties of cannabis with names like jack 47, purple urkle. >> you're giving a clipboard and on here is four different tables with five different strains. you can see what this strain is. this is a jack 47. you can take a look at it. see what the bud looks like.