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#166153 Reply

E. Vinje
Keymaster

Bob –

Wood ash makes a nice addition to gardens and compost piles. It contains potash — or potassium — one of the required plant macronutrients, but is also very alkaline and will raise soil pH. If your garden soil is already very alkaline I would stay away from using them. You want to lower your pH — sulfur, peat or compost will help to lower or neutralize pH in high alkaline soils.

Hope this helps!