2025年3月4日 · Are you Rhododendrons looking a bit worse for wear this season? There are many common issues that can impact the way your rhododendrons look. In this article, gardening expert Jill Drago shares the most common problems that may plague your Rhododendrons, and what to do about each issue.

2024年7月2日 · Rhododendrons, while susceptible to a variety of diseases, can thrive with proper care and timely intervention. Identifying diseases early and employing a combination of cultural, biological, and chemical controls will help ensure the health and beauty of your rhododendrons.

2021年6月24日 · Rhododendron pests and disease harm plants that are stressed due to environmental conditions or injury. Common problems of rhododendron bushes can be avoided by providing the best growing environment possible and maintaining a consistent pruning, mulching, and fertilizing program.

2023年7月5日 · Informational table showing disease name, symptoms, pathogen/cause, and management of Azalea and Rhododendron diseases.

Rhododendrons and azaleas are some of the most popular spring-flowering shrubs in the landscape, and healthy plants can give years of pleasure. Many diseases and other problems can be prevented by following the recommended cultural practices for proper planting and care.

What are rhododendron diseases? The most common specific fungal diseases that affect rhododendrons include; They are also attacked by more generalist diseases such as; Purple or brown, more or less round spots appear on the upper leaf surfaces, usually of evergreen species.

There are several diseases that commonly occur on rhododendrons and azaleas in landscapes and nurseries every year in Connecticut. These include fungal leaf spots, leaf and flower gall, root rot, oedema, leaf flooding, winter injury, and chlorosis.