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Copper in the garden

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Copper in the garden

Post  kennsm01 on 9/1/2010, 1:47 am

Greetings to everyone!

I have a question, I am planning my garden now. I have plans for several trellises. As a woodworker I've used copper pipes and #6 wire for outdoor furniture made of cedar. I was planning on using copper on my trellis. But, here's my question and I hope those of you with more experience can answer me.
Is copper bad for the plants?
I know as a person who has kept several aquariums that copper is a big no-no in planted tanks. Also, I have installed copper drip edge on roofs where algae grows because it kills algae due to a natural reaction. Will this translate into something that stunts the growth of vining plants?

Thanks for any help.
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Re: Copper in the garden

Post  Youngatheart on 9/1/2010, 5:52 pm

I read something recently while researching water lines that said not to use copper if your water is more acid (which mine is). Using it with alkaline water was fine. I don't know if it would matter if you're only using it for trellises .... maybe someone else has more info.

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Re: Copper in the garden

Post  Megan on 9/1/2010, 6:47 pm

Copper is a trace mineral for plants but I don't know if a trellis of it would affect things. It might impact soil acidity.

I really don't know, but gut instinct tells me it would be best to use a non-conductive material for your trellis. Just my $0.02 of course! Very Happy
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Copper in the garden

Post  trukrebew on 9/1/2010, 11:32 pm

Copper is a deterrent to slugs, or so I've read elsewhere on this forum. I had thought about putting little rings of copper electrical wire around the base of each plant to keep the slugs from climbing up them. But, I was also told not to use it, by a long-time 'row-er,' although he didn't know why. I'm really interested to know if anyone has any hard evidence as to why copper would be bad for the plants.

Fortunately, I have not had more than 2 nights of slugs this summer. I guess all this dryness is good for something at least!
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Re: Copper in the garden

Post  ccornewell on 2/22/2011, 4:38 pm

hi, just a thought but if you want copper to keep slugs out but dont want it affecting the soil why dont you just run a piece of bare wire around the outside of each box? if you want to get fancy you could buy copper roof flashing and cut it into a long strip and run the outside of each box. my assumption is that copper reacts with the slime they put off and it generates a small amount of voltage. similar to having a mercury filling and your older brother cinvincing you to bite down on a piece of aluminum foil. Twisted Evil

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