Francoise Levesque, a master horticulturalist at High Park Farms, explains how 67 strains of cannabis are being grown under glass during a tour and official ribbon-cutting at the 13-acre greenhouse operation on LaSalle Line in Enniskillen Township. Two hundred employees will be needed to groom the plants for the legal marijuana market when the farm is fully operational this fall, officials say. Looking on at left is production manager Donna Houssin. Glenn Ogilvie