Question
QUESTION: Our privet hedges have a whitish-greem mold of fungus growing on the stems.  Some leaves have a white powdery like mildew.  The bushes are over 30 years old.  The bushes are getting very thin and appear to be dying.

ANSWER: Joanne:
The mold that you mentioned may be a couple of things. Can you submit a closeup photo? The powdery stuff on the leaves may be powdery mildew- looks like white fuzzy patches or like someone dusted baby powder on them. Pm is more of a cosmetic problem.

Send a photo. Thanks

Steve

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privet sample   QUESTION: Attached is a picture just taken of the privet.

ANSWER: Joanne:
The gray-green leafy circular patches on the stems are lichens.  Google images of the things to see their variations.  These are harmless and are usually seen on older declining plants- often in shady conditions. They are three different forms of these organisms, but as mentioned they are not the cause of a problem, but the result. The reason for the decline of the shrub is from some other reason.  Lichens are often seen on trees, rocks, and even power lines---and occasionally I have been know to have a few on me(ha-ha!!).

Have a great day.
Steve

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QUESTION: Thanks so much, Steve.  This is very helpful.  Since we have 50 ft. of privet along the front of our property, we would prefer to save and not replace the privet.  Any suggestions?  Is it worth an all out try, given the probable age of the bushes?

Answer
Joanne:
Beyond appropriate fertilization (based on a recent soil test) and watering -especially during hot/dry periods, that's about the best things you can do to promote a vigorous row of plants. You might be able to shape them by pruning to let in more light to the inner portions. Be sure to keep a lookout for anything that looks like bugs or diseases that may try to get started. Also be careful of lawnmowers and string trimmers- these machines love shrubs and trees and their damage is also always a death sentence. Be sure to contact your local county Extension office (in the phone book) for some excellent advise on caring for your plants.

Steve