Staghorn Ferns
Q.

staghorn fern

Zone 5 | Lauralee added on June 4, 2015 | Answered

A recently purchased fern has white "dust" on the leaves. It does not appear to be aphids or white fly. I have washed it off but it returns. Is this normal? If not, can I use horticultural oil on the fern?

A.
A.Answers to this queston: Add Answer
Downtoearthdigs
Certified GKH Gardening Expert
Answered on June 5, 2015

The white coating is actually hair and serves to protect the plant by helping it retain moisture.
Do not spray the plant with horticulture oil or wash off this protective service.
The white dusty appearance is normal.
Here is a link with great information.

https://www.gardeningknowhow.com/ornamental/foliage/staghorn-fern/staghorn-fern-information.htm

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