About this app
The Purdue Tree Doctor app has been developed by experts at Purdue University to help people better identify and manage tree problems caused by a variety of factors, including insects and diseases. Landscape professionals, arborists, and garden center personnel can use this app to improve communication with their customers. Information in this app is useful in the Midwestern and Eastern United States. Features: * Identify tree problems by matching damaged plant parts to over 1000 high-resolution photos. * Check diagnoses with detailed descriptions of damage and stages of problem development linked to each photo. * Get the latest unbiased recommendations from Purdue University experts on how to manage over 175 tree problems on over 60 kinds of trees. * Search information by tree or by pest.
Latest release
What’s New
Graphical improvements.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 16, 2026 · 9:41 PM Free