Think green, think Cullen. Mark Cullen is Canada's Gardening expert. Listen to Mark's weekly green feature on 680 News Toronto, 1310 News Ottawa, 660 News Calgary, News 1130 in Vancouver and 570 News Kitchener/Waterloo.

680 News Toronto, The Green File airs Thursdays 11:24 am, 3:24 pm, 7:24 pm. Fridays 2:24am. Saturdays 11:24 am, 3:54 pm, 10:24 pm. Sundays 8:24 am, 6:24 pm. Mondays 2:24 am.

1310 News Ottawa, The Green File airs Fridays 3:49pm, 4:49pm, 6:49pm, 8:49pm. Saturdays 1:49am, 1:49pm, 8:49pm, 1:49am. Sundays 1:49am, 12:49pm, 6:49pm, 11:49pm

660 News Calgary, The Green File airs Thursdays during the 10am, 1pm and 7pm hours, and Saturdays during the 6 am, 10 am and 3 pm hours.

News 1130 Vancouver, The Green file airs Wednesdays at 10:24 am, 3:24 pm and 8:24 pm.

570 News Kitchener/Waterloo, The Green File airs Thursdays 8:12am and 4:12pm, Fridays 7:12am and 5:12pm, Saturdays 8:12am and 10:12am. Sundays 9:12am and 11:12am.