Hydrangea Plants
Q.

How to treat Hydrangea Bush rust

Zone 7 | duchess1 added on July 31, 2012 | Answered

Rust spots are on my leaves, pale green to yellow. What causes the rust?

A.
A.Answers to this queston: Add Answer
Nikki
Certified GKH Gardening Expert
Answered on August 1, 2012

Rust is caused by a fungus and it will appear as more of an orange or rust color. Here is more information: https://www.gardeningknowhow.com/plant-problems/disease/learn-about-plant-rust-disease-and-rust-treatment.htm

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