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Agreed - it's fine. Oxidization is a normal process and will not harm the tree. As time passes the brightness of the copper will begin to darken and actually blend in with the bark making it look a little less obtrusive.

For what it's worth aluminum wire also oxidizes outside. It gets a white formation on it and to me looks not so good. Not harmful but a bit unsightly.

Don't forget - recycle your old used wire. Copper is getting expensive and so is aluminum. Unless you are wiring hundreds of trees it's hardly worth the effort (money you get at scrap metal yard) but it's the right thing to do. I give my scrap to one of those people driving around in old pick up trucks looking for used appliances by the curb.

Sorry about the rant...

__________________

There is unrest in the Forest
There is trouble with the trees
For the maples want more sunlight
And the oaks ignore their pleas.

3-May-2008	#3
Graydon bonsaiTALK Master Chief Join Date: Apr-2006 Location: Lakeland - Florida Country: United States USDA Zone: 9A AHS Heat Zone: 11 Posts: 1,004	Agreed - it's fine. Oxidization is a normal process and will not harm the tree. As time passes the brightness of the copper will begin to darken and actually blend in with the bark making it look a little less obtrusive. For what it's worth aluminum wire also oxidizes outside. It gets a white formation on it and to me looks not so good. Not harmful but a bit unsightly. Don't forget - recycle your old used wire. Copper is getting expensive and so is aluminum. Unless you are wiring hundreds of trees it's hardly worth the effort (money you get at scrap metal yard) but it's the right thing to do. I give my scrap to one of those people driving around in old pick up trucks looking for used appliances by the curb. Sorry about the rant... __________________ There is unrest in the Forest There is trouble with the trees For the maples want more sunlight And the oaks ignore their pleas.