Like most business owners, John Rotherham is no stranger to working 60-hour weeks doing paperwork, planning for future expansion and managing nearly 50 employees.

Unlike most business owners, you’ll often find him talking to customers about strains of marijuana named Cherry Skunk, Pineapple Express or Super Silver Haze in between stints of tending to hundreds — soon to be thousands — of marijuana plants.

Like more than 100 other business owners in Colorado, Rotherham finds himself standing on the edge of a new frontier in the world of recreational cannabis.

Possession of up to an ounce and the ability to grow up to six plants for personal use has been legal all year for Coloradans 21 and older, but Wednesday marks the first day in the nation’s history when you will be able to legally buy pot from a smattering of retail stores.

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