A Penny 4 Your Thoughts

scandia(7)February 28, 2006

My Mother use to put a penny in the ground at the bottom of any new plant that she put in..She is deceased now so I cannot ask her why she did this. I seem to remember her saying something about copper being good for the plant..

Is that right??? Does anybody know if planting a penny under new plants helps them???

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gurley157fs(zone 7/8sc)

I guess it would depend on your existing soil conditions and whether or not copper is needed and in what amounts.

I did ruin some beautiful blue hydrangeas with pennies.
I heard that I could change the color from blue to purple by putting a few pennies in the ground. They only managed to turn a sickly splotched lavender color.

Never could find all of the pennies and the hydrangeas were never again any one brilliant color - just a half-way attempt and two different colors.

    Bookmark   February 28, 2006 at 9:22PM
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I didn't try it yet..I wanted to ask on this forum first..
I heard that Hydrangeas are blue or pink based on whether the soil is acidic or alkaline..

To get Pink aluminum MUST NOT be present in the soil...

To get blue aluminum sulphate can be added to the soil...

There is a web site www.hydrangeashydrangeas.com it has a section titled "Changing The Color Of Hydrangeas" This site is VERY helpful.

    Bookmark   March 2, 2006 at 8:47AM
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rhizo_1 (North AL) zone 7

Pennies have been less than 2.5 percent copper for over 20 years. FYI, sort of interesting.

    Bookmark   March 6, 2006 at 12:00PM
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Pennies have aluminum and other "filler" metals in them now..Yep it was about 20 years or more when I observed my Mother doing this...

SOOOO pretty much, pennies are not so good for plants anymore unless they are old..

I was just wondering about it...

    Bookmark   March 10, 2006 at 8:26AM
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Pennies (old ones, from 1982 and later) have copper in them which deter slugs, snails, and some cutworms. It actually sends a slight electric shock to them so they stay away from anything copper. Old pennies, copper tape or sheets of copper, copper wire or pipe, etc.

    Bookmark   April 1, 2012 at 11:23PM
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