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Bonfire soil

CazzieTCazzieT Posts: 74
in Plants
We have had garden bonfires on the same large patch of ground for the past 20 odd years.   Recently I realised that the soil where it has been is a rich black colour and very soft.  I have raked it into a mound that will probably fill two wheelbarrows.  I'm sure it must be nutritious but what would be the best use for it in the garden - as a mulch or could it be used as a soil improver?  Would appreciate any views!

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  • BijdezeeBijdezee Posts: 1,484
    Depends what you burned there. If it was just plant material then it would be ok to be composted. 

    I wouldnt put it directly around plants though it can be dug into soil you are not using. It raises the ph level so its not good for acid loving plants. 
  • CazzieTCazzieT Posts: 74
    Thanks for your prompt reply. Yes it was just prunings and perennial weeds.  Do you mean to dig into soil in a bed as opposed to rounds plants - not sure what you mean by soil I'm not using.
  • BijdezeeBijdezee Posts: 1,484
    Well, fallow soil over winter for example after  crops are finished. Its very unbalanced being so high on potash.

    I wouldnt use it as a mulch. I think its best to as it to your compost in batches alternating with nitrogenous material like kitchen waste and leafy stuff. It will make it more balanced in nutrients. 
  • CazzieTCazzieT Posts: 74
    That sounds like a good idea.  I don't grow veg but keep a compost heap in the go.
  • BijdezeeBijdezee Posts: 1,484
    I think it will make some very good compost for you
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