Common Problems of Common Annuals & Perennials

Common Problems of Common Annuals & Perennials

ENTFACT-462: Common Problems of Common Annuals & Perennials — An Index  |  Download PDF

Nicole Gauthier, Plant Pathology Extension Specialist
Ellen Crocker, Forest Health Extension Specialist
Jonathan Larson, Entomology Extension Specialist
Kim Leonberger, Plant Pathology Extension Associate
Jamie Dockery, Horticulture Extension Agent
University of Kentucky College of Agriculture


Annuals and perennials are an important parts of landscapes. However, these types of plants may experience a wide range of issues including disease, insects, and abiotic disorders. This publication includes the most frequently observed problems of common annuals and perennials in Kentucky listed in alphabetical order (not necessarily in order of importance). Contact a local County Extension Agent for assistance with diagnosing and managing these and other problems.


pests of annual plants
L-R: Rhizoctonia Web Blight; Sunflower Moth; Sunscald



Additional Resources

July 2021


The authors would like to thank Brenda Kennedy, University of Kentucky Plant Disease Diagnostician and Cliff Sadof, Purdue University Extension Entomologist, for their reviews of this publication.

Editor: Cheryl Kaiser, Plant Pathology Extension Support
Photos: University of Kentucky—Nicole Gauthier, University of Kentucky (Rhizoctonia web blight & sunscald); Phil Sloderbeck, Kansas State University, (sunflower moth)


Contact Information

S-225 Ag Science Center Lexington, KY 40546-0091

(859) 257-7450