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Right wood treatment for a raised bed near edibles
Rose121
Posts: 132
I'm leveling a piece of ground above an apple tree, and beside an edible hedge. It's only raised by about 40cm, so not major.
I was planning on using tanalised boards to raise the area - but hadn't really considered if pressure treatments - or treatments (waterproofing etc) I might add - would leach down into the apple tree bed & hedgerow, and impact edibles. There are a number of sites that seem pretty critical of using treated boards of any sort, and runoff from the area will go into both beds.
Does anyone have any good intel on what's reasonable to use as a compromise between wood longevity and food safety? Hedge will be planted 20-30 cm of the bed, while apple tree trunk is about 80cm away.
I was planning on using tanalised boards to raise the area - but hadn't really considered if pressure treatments - or treatments (waterproofing etc) I might add - would leach down into the apple tree bed & hedgerow, and impact edibles. There are a number of sites that seem pretty critical of using treated boards of any sort, and runoff from the area will go into both beds.
Does anyone have any good intel on what's reasonable to use as a compromise between wood longevity and food safety? Hedge will be planted 20-30 cm of the bed, while apple tree trunk is about 80cm away.
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