Mark Cullen

Gardening expert

A third generation career gardener, Mark Cullen is a "garden communicator" unlike any other. Aiming to help horticulturalists of all skill levels, Cullen took to the airwaves in 1982 with a radio show on CKEY-FM in Niagara Falls. He appeared weekly on CANADA AM and currently hosts "The Garden Show" on CFRB radio in Toronto and "Mark Cullen: Gardening" on HGTV.

Cullen is a best-selling author, with 18 books on gardening to his credit. He is also the feature writer for Home at Home Magazine and writes a weekly blog for Cullen actively maintains his website,, where he has answered over 10,000 questions from gardeners across the country.

Cullen serves as spokesperson and horticultural consultant for Home Hardware Canada, C.I.L. Golf Green and Green Earth Garden Products. As well, Cullen is an avid supporter and volunteer spokesperson for SHARE Agricultural Foundation, benefiting subsistence farmers in Central and South America.

Born and raised in Toronto just four blocks away from CTV, Cullen enjoys biking, classic cars and traveling within the United Kingdom and Canada. He and his wife Mary have four children, Lynn, Heather, Emma and Ben.

Gardening tips from Mark Cullen can be found at

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