Gardening resources > Pests > Online diagnostic tools
Cornell University Department of Horticulture
Gardening resources
Cornell gardening resources Online diagnostic tools

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University of Maryland Plant Diagnostic Web Site - Organized by symptoms for trees, shrubs, houseplants, herbaceous perennials, vegetables, lawns and more. Guided and accented with photos for ease of diagnosis of common diseases, insects and environmental stresses. Suggests IPM methods.

Readers Digest Garden Problem Solver - Arranged by symptoms for trees, shrubs, herbaceous plants, vegetables, lawns, fruits and nuts. Helpful troubleshooting tool, but not a substitute for seeking local advice as all solutions may not be appropriate for New York gardeners. Suggests IPM methods.

Berry Diagnostic Tool - Problem solver for small fruit including strawberries, raspberries, grapes, blueberries, blackberries, currants and gooseberries. Designed for commercial growers, but also useful for home garden diagnostics. Does not include pesticide recommendations as they vary from state to state. Suggests IPM methods. Joint effort from Cornell, North Carolina State University and Oregon State University.



Copyright, Department of Horticulture, Cornell University.

Website design: Craig Cramer cdc25@cornell.edu

Mention of trade names and commercial products is for educational purposes; no discrimination is intended and no endorsement by Cornell Cooperative Extension or Cornell University is implied. Pesticide recommendations are for informational purposes only and manufacturers' recommendations change. Read the manufacturers' instructions carefully before use. Cornell Cooperative Extension and Cornell University assumes no responsibility for the use of any pesticide or chemicals. Some of the links provided are not maintained by Cornell Cooperative Extension and Cornell University. Cornell Cooperative Extension and Cornell University are not responsible for information on these websites. They are included for information purposes only and no endorsement by Cornell Cooperative Extension or Cornell University is implied. Cornell Cooperative Extension provides equal program and employment opportunities.