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Pear Trees

Q.Can CCA treated pine posts be safely used to support espaliered fruit trees?

Zone Canberra, Australia | Anonymous added on July 22, 2020 | Answered

I am concerned that Arsenic may find its way into the fruit of pear trees grown on a free standing espalier supported by H4 treated pine posts which will be concreted into the soil.

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Certified GKH Gardening Expert
Answered on July 23, 2020

Here's a link Penn State's update on using treated wood: https://extension.psu.edu/environmental-soil-issues-garden-use-of-treated-lumber Here's a link to our article about it - hope this helps: https://www.gardeningknowhow.com/garden-how-to/info/treated-wood-for-gardening.htm

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