A showgoer looks at a marijuana plant under a Blackdog LED grow light at the INDO EXPO cannabis trade show on January 27, 2019 in Denver. The show is a platform for business to business and features producers, processors, wholesalers, and retailers in the cannabis industry. (credit: Rick T. Wilking/Getty Images)
Largest Cannabis Trade Show Comes To Denver
Showgoers wait to buy marijuana plant seeds at the INDO EXPO cannabis trade show on January 27, 2019 in Denver. The show is a platform for business to business and features producers, processors, wholesalers, and retailers in the cannabis industry. (Photo by Rick T. Wilking/Getty Images)
Largest Cannabis Trade Show Comes To Denver
A sign at the Cannabusters booth is seen at the INDO EXPO cannabis trade show on January 27, 2019 in Denver, Colorado. Cannabusters is an odor stopping product. The show is a platform for business to business and features producers, processors, wholesalers, and retailers in the cannabis industry. (Photo by Rick T. Wilking/Getty Images)
Largest Cannabis Trade Show Comes To Denver
A rep demonstrates the JPAQ childproof marijuana joint case at the INDO EXPO cannabis trade show on January 27, 2019 in Denver, Colorado. The show is a platform for business to business and features producers, processors, wholesalers, and retailers in the cannabis industry. (Photo by Rick T. Wilking/Getty Images)
Largest Cannabis Trade Show Comes To Denver
Showgoers look over marijuana seeds for sale at the 707 Seedbank booth at the INDO EXPO cannabis trade show on January 27, 2019 in Denver, Colorado. The show is a platform for business to business and features producers, processors, wholesalers, and retailers in the cannabis industry. (Photo by Rick T. Wilking/Getty Images)
Largest Cannabis Trade Show Comes To Denver
A woman talks to a showgoer next to a marijuana plant at a grow light booth at the INDO EXPO cannabis trade show on January 27, 2019 in Denver. The show is a platform for business to business and features producers, processors, wholesalers, and retailers in the cannabis industry. (Photo by Rick T. Wilking/Getty Images)
Largest Cannabis Trade Show Comes To Denver
A woman demonstrates a motorized marijuana bud trimmer at the Speedee Trim booth at the INDO EXPO cannabis trade show on January 27, 2019 in Denver, Colorado. The show is a platform for business to business and features producers, processors, wholesalers, and retailers in the cannabis industry. (Photo by Rick T. Wilking/Getty Images)
Largest Cannabis Trade Show Comes To Denver
A showgoer walks by the Chronic Candy booth at the INDO EXPO cannabis trade show on January 27, 2019 in Denver. The show is a platform for business to business and features producers, processors, wholesalers, and retailers in the cannabis industry. (Photo by Rick T. Wilking/Getty Images)
Largest Cannabis Trade Show Comes To Denver
A woman gives a massage to a customer at the Primal Therapeutics cannabis infused massage booth at the INDO EXPO cannabis trade show on January 27, 2019 in Denver, Colorado. The show is a platform for business to business and features producers, processors, wholesalers, and retailers in the cannabis industry. (Photo by Rick T. Wilking/Getty Images)
Largest Cannabis Trade Show Comes To Denver
A man arranges marijuana seeds for sale at the INDO EXPO cannabis trade show on January 27, 2019 in Denver. The show is a platform for business to business and features producers, processors, wholesalers, and retailers in the cannabis industry. (Photo by Rick T. Wilking/Getty Images)
Largest Cannabis Trade Show Comes To Denver
Showgoers inspect the soils for sale at the bio365 booth at the INDO EXPO cannabis trade show on January 27, 2019 in Denver, Colorado. The show is a platform for business to business and features producers, processors, wholesalers, and retailers in the cannabis industry. (Photo by Rick T. Wilking/Getty Images)
Largest Cannabis Trade Show Comes To Denver
A woman demonstrates a motorized marijuana bud trimmer at the Speedee Trim booth at the INDO EXPO cannabis trade show on January 27, 2019 in Denver, Colorado. The show is a platform for business to business and features producers, processors, wholesalers, and retailers in the cannabis industry. (Photo by Rick T. Wilking/Getty Images)