It is not advised, as there are fillers and binders in it. wood ashes from a fireplace, or stove are ok, but will raise the pH, fine if you need that. Wood ashes are a fine source of potassium but I would steer clear of the bbq ashes.
susan
Caroline wrote:
> I have received some ash from a person who uses charcoal in their bbq. I was thinking of adding it to our compost and perhaps putting it around plants. Does this ash contain helpful nutrients for plants? Could it be harmful if used too much? Would it be alkaline? Might it deter insects around vegetable plants? > Thank you for your help.