Copper wire oxidation

[tkroeker]

I have a couple of trees that I have noticed some green on the copper wire securing it into the pot. Is unannealed wire going to cause a problem and I should replace it?

 

[rockm]

I have a couple of trees that I have noticed some green on the copper wire securing it into the pot. Is unannealed wire going to cause a problem and I should replace it?

No.