holly bushes

Newton, NH

We have had beautiful holly bushes for the last 5 years. All of a sudden all of the leaves have turned brown and have fallen off. Not sure what happened. Had a bad ice storm and lots of snow over this past winter. Could it be winter kill or could I have over fertilized them.

Barmera, Australia

G'Day,
I know nothing about Holly or ice storms but you can easily over fertilise with artificial fertilisers particularly the high nitrogen content ones. Ask yourself if you might have been too enthusiastic with Nitrosol or similar.
Brian

Leawood, KS(Zone 5b)

What did you use for fertilizer? I use HollyTone once in the spring (about now) and again in early July (about a cup spread about the base of each large bush/tree). Here is a hedge I planted about four years ago.

Thumbnail by LeawoodGardener

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