Horticulture Plant Problems

Diseases, Disorders, Insects

Distance Diagnostics – Submit pictures of your plant problem through your county agent to the UT Plant Pest Center in Nashville. Be sure to inform your agent of any chemical applications, irrigation and fertilization activity, or other cultural information that may have an effect on your plant. Our specialists can make recommendations based on the symptoms and history. To find your agent, click here.

University of Tennessee’s Ornamental Plant Pest Management and Pesticide Rotation Guide – for nursery, greenhouse, interiorscape, and commercial landscapes.

Other Resources

Clemson – Disease and Insects of Chrysanthemums

University of Kentucky – Guide to Poinsettia Diseases

Purdue -​ Proper Greenhouse Sanitation to Reduce Diseases