Garden Center Hours:

Now Open for Christmas!
Mon-Sat. 9 am to 6 pm, Sun 9 - 5 pm.
Open Rememberance Day from 12 - 5.



John Bouw, owner and president of Dentoom's Greenhouses, grew up in the Niagara Peninsula, the heart of Canada's greenhouse industry. In 1980, he graduated from Ontario Agricultural College with a diploma in Horticulture and headed west to Alberta to put his skills to work. For ten years, John managed greenhouses for Nova Corporation. In 1991, he seized the opportunity to purchase Dentoom's Greenhouses, a wholesale and retail operation which was established in 1954.

As owner of his own wholesale operation, John saw a demand for cuttings in the prairie provinces of Canada. He went to work to build a first-class wholesale operation, always keeping his eyes open for the new and unusual to add to his stock. In 1994, he joined Proven Winners Group and proudly presented this new line to his Canadian customers. Canadians love Proven Winners and the wholesale business is flourishing. Although most of his customers are in the western provinces, John has shipped plants to every province and territory in Canada. In 1996, John began an expansion project to provide a new site to expand the wholesale end of his business. He continues to balance the wholesale operation with a thriving retail business.

John is past president of the Alberta Greenhouse Growers Association and a current member of the Canadian Ornamental Plant Foundation, Alberta Greenhouse Growers Association, Flowers Canada, Landscape Alberta Nursery Trades Association and the Ohio Florists' Association. He accepts some speaking engagements and very much enjoys sharing his hands-on knowledge with others.

As John continues to expand Dentoom's Greenhouses, he works hard to maintain the high quality plants that are his trademark throughout Canada.


  • 1954 - Business established by Harry Dentoom
  • 1991 - Business purchased by John & Lori Bouw
  • 1993 - Business incorporated
  • 1993 - 6 people employed at peak season
  • 1994 - Licensed as a propagator by Proven Winners® (1 of 3 in Canada)
  • 1997 - Construction of new 23,000 square feet state of the art growing centre for a total of 50,000 square feet of growing space
  • 1999 - An additional 22,000 square feet was added
  • 2000 - Another 14,000 square feet was added
  • 2002 - An additional 4,000 square feet of warehouse space was added
  • 2004 - Licensed as a Plant Propagator by Oglevee (1 of only 3 in Canada)
  • 2004 - 51,000 square feet added for stock plants and replace production at the original location. Total production area after expansion 136,000 square feet.
  • 2005 - Licensed as a Plant Propagator by Bodger Botanicals (1 of only 2 in Canada)
  • 2005 - Dismantled original Dentoom's Greenhouse; all operations amalgamated to Linn Valley location. The newly relocated and expanded Garden Centre opened to rave reviews
  • 2005 - 10 full time and 50 part time people employed at peak season
  • 2006 - An additional 40,000 square foot expansion completed
  • 2006 - John Bouw receives the Herb Knodel Award for his outstanding service and contribution to the development of Alberta greenhouse crops industry.

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