Problems and Pests

Problems and Pests

Plant Problem

About

When plants in the landscape are not growing and thriving, it can be difficult to figure out what is going wrong.  Learn more about how to identify and manage insect pests, diseases, problem wildlife, weeds, and environmental stressors in the Iowa yard and garden.

Causes of Branch Dieback on Trees

Several factors cause branch dieback on trees. Correctly diagnosing the problem(s) is the first step in managing an unhealthy tree. Below are some common causes of branch dieback on trees in the landscape.  Use this guide to evaluate your tree and determine the likely cause of the branch dieback.

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crown dieback in tree
possible herbicide drift one sided damage
emerald ash borer damage

Frequently Asked Questions

Problems and Pests Experts

Chelsea Harbach

Chelsea Harbach

Plant Disease Diagnostician
Identification and Management of Plant Diseases
Environmental Stressors
Integrated Pest Management

Zach Schumm

Zach Schumm

Insect Diagnostician, Plant and Insect Diagnostic Clinic
Insect Identification
Pest Insect Management
Integrated Pest Management
Household Insects
Pollinators

Laura Iles

Laura Iles

Director of the North Central IPM Center
Insect Identification
Pest Insect Management
Integrated Pest Management
Household Insects
Pollinators

Aaron Steil

Aaron Steil

Consumer Horticulture Extension Specialist
Weed Management in Landscapes
Environmental Stressors
Management of Problem Wildlife
Integrated Pest Management