Who is Plantra and how much experience do you have with treeshelters?
A. Plantra is a Minnesota-based company dedicated to revolutionizing woody plant establishment. We are a rapidly growing company with a highly talented team of people and a very long history in treeshelter manufacture and design. At the core of the team are three partners with more treeshelter design experience than anyone in the world: Joe Lais – Made the telephone call that introduced treeshelters to the USA from the UK in 1988. No one has been doing this longer. Joe has been continuously researching, designing and testing treeshelter/grow tube performance ever since. He is the foremost expert on light transmission effects on growth in treeshelters. Chris Siems – Started working with Joe upon graduation from forestry school (University of Minnesota) in 1989. Chris has also been continuously working with treeshelters ever since. Steve Tillmann – Another University of Minnesota-trained forester, Steve joined Joe & Chris in the mid-1990’s. Together our treeshelter design team has nearly
