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Using Earthworm Castings

A Very Happy New Year 2019 !
I have been watching a large number of worm casting mounds coming up in my garden and I'm thinking about collecting these nutrition bombs to use as top soil in hanging baskets/growbags for flowers & veggies later in the summer, but before that for sowing seeds in trays.
To be honest, I've already collected about a kilo of stuff in 2 days by collecting for just 15 minutes each day. I was hoping to find gardeners who have already tried this before, to share their experience and potential pitfalls if any.
Any suggestions ?



  • fidgetbonesfidgetbones Derbyshire but with a Nottinghamshire postcode. Posts: 16,472
    You can sterilise small amounts in a pyrex bowl in the microwave. Otherwise you are likely to get a lot of weeds germinate before the seeds you have sown.
  • Thanks for your advise  :)  
    Although I 'd be able to identify which seedlings are mine, can weed off the unwanted ones if there are any.
    But yes, better to avoid the pain.

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