Jon Trappe

June 20, 2018

The TURF & GROUNDS FIELD DAY is back on the St. Paul campus this year as the University of Minnesota once again partners with the Minnesota Turf and Grounds Foundation to produce this popular event at TROE Center and UFore Nursery.

May 7, 2018

Extension educator Sam Bauer and Dr. Jon Trappe recently were guests on WCCO's Ask the Expert with Eric Nelson.  They discussed all kinds of topics relating to spring lawn care.

April 24, 2018

Check out our team’s latest efforts in educating the public about our work.  We have a newscast segment, a video, several podcasts and an article!

December 11, 2017

By Jon Trappe

Many plant enthusiasts have observed difficulty planting some plant species around black walnut trees.  Black walnut trees naturally excrete chemicals into their environment to make themselves more competitive.  This negative plant-on-plant interaction is known as allelopathy, and is more common in multiple plant species than was once previously thought. 

There have been a few reports (Bertin et al., 2009; Bertin et al., 2003) of natural weed suppression in certain fine fescues (Festuca spp.).