Eastern white pine (Pinus strobus) is a popular conifer in many Kentucky landscapes; however, this species is subject to browning as a result of various environmental and disease problems. In Kentucky, brown needles on white pine are often caused by one of the following: white pine decline, white pine root decline (Procerum root rot), or Phytophthora root rot. This publication discusses the symptoms, cause, and management of all three of these common problems, and it includes a comparison chart as a quick reference guide to each.
When White Pines Turn Brown… (PPFS-OR-W-22) is available online.
For additional publications on plant diseases, visit the UK Plant Pathology Extension Publications webpage.
By Nicole Ward Gauthier, Extension Plant Pathologist