Host Richard Hentschel ends the 4 part series of shows with retired Extension Plant Pathologist on diseases that have impacted our Spruce evergreen trees. Many of these diseases show up on the needles or twigs. The spruce that is most susceptible to many of these diseases is the variations of Colorado blue spruce
Green Side Up is a gardening program produced by University of Illinois Extension. It is hosted by Richard Hentschel, Extension Educator, Horticulture.