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Founded Year



Unattributed | Alive

Total Raised


Last Raised

$1M | 2 yrs ago

About Les Serres Frank Zyromski

Les Serres Frank Zyromski specializes in the production of young plant cuttings.

Les Serres Frank Zyromski Headquarter Location

1853, chemin Laliberté

Riviere-Rouge, Quebec, J0T 1T0,


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Latest Les Serres Frank Zyromski News

Canada: "Even when it is -30° C outside, I can keep the soil at 22° C"

Oct 19, 2020

Les Serres Frank Zyromski, producers of 8 to 10 million cuttings annually, have found a way to maintain soil temperatures and reduce production time – even while temperatures dip as low as -34° C. “We save time with our crop – almost two weeks,” says Frank Zyromski, owner of the Rivière-Rouge, Canada-based greenhouse. “We use a bottom heat solution that you roll out, fit on the headers and install the plumbing. It is very easy, not very complicated.” Zyromski utilizes Roll’N Grow, a product which comes in rolls much like a carpet – and also rolls out in a similar way. “Even when it is -30° C outside, I can keep the soil at 22° C,” he says. “The air is much colder, but the media is really warm.” In Québec, where Les Serres Frank Zyromski is located, snow arrives early and in large quantities, starting in November and staying through the long winter. This makes it essential for the greenhouse, regarded as a young plant pioneer in Canada, to quickly and easily provide the warmth their plants’ tender roots need to thrive. “BioTherm supplies the layout plan for Roll’N Grow,” Zyromski explains. “It’s very quick to install. In fact, 100% of the greenhouses have BioTherm product.” Click here for more information on the Roll’N Grow. A specially designed machine produces Roll’N Grow by bonding heating tubes to black or white weed barrier for floor applications or to open mesh for bench applications. Master rolls are 3 meters wide, but the product can be customized to any floor or bench width. A grower simply rolls out the mat, then connects the manifolds and supply/return lines to a hot water source and pump. A soil probe thermostat controls the system based on media temperature. Les Serres Frank Zyromski utilizes the product in both bench and floor applications. “We use it in one house where we have 58,000 square feet of ebb and flood, and in the free-standing houses, we just roll it out,” says Zyromski. “Every year, we build new houses, and we order new Roll’N Grow.” The product makes it easier than ever before to provide root zone heating to all of their crops, Zyromski says. “I have to admit that BioTherm provides a very efficient process. It is very efficient and very easy to install, much simpler than standard plumbing. We have opened in January with no additional heat.” For more information: Thank you Something went wrong with your message. Maybe it was seen as spam, please browse some more articles on our site before trying again. Email this article to a friend We require you to complete all the text fields marked with *. Your Name

  • When was Les Serres Frank Zyromski founded?

    Les Serres Frank Zyromski was founded in 1979.

  • Where is Les Serres Frank Zyromski's headquarters?

    Les Serres Frank Zyromski's headquarters is located at 1853, chemin Laliberté, Riviere-Rouge.

  • What is Les Serres Frank Zyromski's latest funding round?

    Les Serres Frank Zyromski's latest funding round is Unattributed.

  • How much did Les Serres Frank Zyromski raise?

    Les Serres Frank Zyromski raised a total of $1M.

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