Evergreens and winter burn

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Evergreens and winter burn

Postby rchap » Tue Nov 24, 2009 6:47 pm

I recently moved into a home near Elkton,VA which has a number of 4 four foot tall evergreens which have been pruned into a fancy sort of corkscrew shape. I see this kind of pruning - more like shaving really, has created lots and lots of angled cuts along the tips of the branches. It seems to me that these fancy little stylized trees would be vulnerable to dehydration and winter burn during the cold season.

Would it help to spray them with horticultural oil, or with something else?

Secondly, I read on the wesite about spraying horticultural oil to control any insects - so apart from winter burn, is horticultural oil just a basic good thing to use on evergreens? Or is it only for deciduous trees? Elkton, VA
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Re: Evergreens and winter burn

Postby lorijones » Tue Dec 08, 2009 4:52 pm

To protect these evergreens from drying out and winter burn, it would be a good idea to spray them with Bonide Wilt Stop (not a horticultural oil). You can do this once in December or January and again in February to protect them.

Bonide All Seasons Horticultural Oil can be used on both deciduous and evergreen trees, although the oil can remove the blue coloration on the current year's growth of certain evergreens such as blue spruce and some junipers. It is great for fruit trees and will control overwintering insects and insect eggs. Always read and follow the label directions. You can spray in December/January or February.
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