Mary Tiedeman from the Soil Science Society of America talks about how roots and soil organisms respond to snow and freezing weather. Zhenwei Zhu, of the Institute of Environmental Sustainability at Loyola University Chicago, promotes the new  Loyola Environmental Testing Laboratory (LETL). Tony Abruscato, President and Show Director of the Chicago Flower and Garden Show, previews the 2018 edition of this classic Chicago event.