This year, we have recently been finding Armillaria root rot at an increased frequency on Arborvitae samples submitted to the Purdue University Plant and Pest Diagnostic Lab. This is a fungal disease, caused by fungi in the genera Armillaria or Desarmillaria. Desarmillaria is a more recent name given to two species of basidiomycetes (2018 and…Read more about Armillaria root rot[Read More]
Resources for landscapes and gardens in the Midwest
Landscape Report
Fall is one of my favorite times of year. The temperatures begin to cool, the humidity drops, and the landscape starts its annual transformation as trees trade their summer greens for shades of yellow, orange, and red. For those of us who enjoy spending time outdoors, it can also be one of the most pleasant…Read more about Can I Plant Trees in the Fall?[Read More]
Many people in the Midwest know about and admire flowering dogwood trees and their distinctive spring flowers, which display conspicuous white or pink bracts (flower structures that resemble petals). Reportedly, George Washington and Thomas Jefferson were fans of this tree as well, planting them at their homes in Mount Vernon and Monticello, respectively. Did you…Read more about Distinguishing Dogwoods[Read More]
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