Ferns
Q.

Outdoor Ferns

Zone Shaker Heights, Ohio | Torpedokk added on July 24, 2016 | Answered

My outdoor ferns are turning brown, and some are dying. What is causing this and how can I stop it? I have lived here eight years, and this has never happened. The ferns are beautiful all summer long and into the fall. Then they die off but always come back the following spring. HOPE YOU CAN HELP!

A.
A.Answers to this queston: Add Answer
Downtoearthdigs
Certified GKH Gardening Expert
Answered on July 25, 2016

Make sure the Ferns are receiving enough moisture. Dry conditions will cause browning of the plants.
Pests can also be the cause. The two most common in Ferns is dry scale and foliar nematodes.
Both feed on the Ferns soft tissues, drying them out.
Scale can be seen and should be treated with horticultural oil.
Nematodes are microscopic and removing the damaged fronds and disposing of will help control them.

https://www.gardeningknowhow.com/plant-problems/pests/insects/control-plant-scale.htm

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