Trees, Shrubs & Ornamentals

Trees, shrubs, and ornamentals are affected by a wide array of disease problems.

This is a comprehensive guide to the most common tree and shrub problems. It is available as a pdf at the above link, or printed copies can be ordered from the K-State Extension Bookstore.
This comprehensive, detailed text maintained by the US Forest Service discusses tree diseases that are common in our region. It was written by a team of authors across the region, including K-State faculty. 229 pages.
Sycamore anthracnose is the most serious of the anthracnose diseases in Kansas. The most conspicuous symptom of the disease in early spring is death of twigs and new shoots.
Several species of ornamental and native trees in Kansas suffer from iron chlorosis. The most susceptible species are pin oak, silver maple, baldcypress, and sweetgum.
Pines are susceptible to several diseases, which can cause defoliation, dieback, and even death. This publication highlights the most common and serious of these diseases in landscapes and windbreaks in Kansas: tip blight, Dothistroma needle blight, and pine wilt.
Rose rosette disease is a well-known infection of roses, including cultivated, native, and introduced wild rose species.

Contact Us

Megan Kennelly

Megan Kennelly

Department Head
Turf & Ornamentals Specialist

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Judy O'Mara

Judy O'Mara

Diagnostic Lab Director
Ornamentals & Disease Diagnostics

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