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Geranium Plants

Q.What diseases affect geraniums?

Zone South western Victoria australia | jbfoley2 added on October 12, 2015 | Answered

Some of my geraniums have scale like spots on the underside of the leaves. The leaves turn yellow.

A.Answers to this queston: Add Answer
Answered on October 13, 2015

Your plants could have a pest issue or Virticillium can attack geraniums.
In the case of verticillium the plant would need to be disposed of.

Likely the plant just needs some watering adjustment and a Neem Oil treatment generally takes care of most insects or fungus.

Here are some links for you.


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