coffee grounds yea or nay?

Hi all,  Whats the consensus on coffee grounds being mixed into seived compost from last year to use to grown veg? I have a container garden, as I have no healthy soil ( japanese Knott weed under plastic membrane and then pebbles on top.) thanks

 

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Posts

  • fidgetbonesfidgetbones Posts: 11,242

    I put coffee grounds on the compost heap. They make good compost but then they are only a small proportion. I have heard of coffee being used to repel slugs. It's not toxic. I suppose it depends on the proportions being used

    It's not a mess, it's a nature reserve.
  • BobTheGardenerBobTheGardener LeicsPosts: 6,484

    Coffee grounds are probably best composted but if you add a general purpose fertiliser (as they will likely contain no useful nutrients, just like your previously used compost), I would think you'd be fine mixing grounds with used multi-purpose compost.  I just sprinkle mine on the borders and everything in those grows OK.

    A trowel in the hand is worth a thousand lost under a bush.
  • floreroflorero Posts: 21

    I put mine in the composter like fidgetbones because they certainly don't deter slugs in my garden - if only!! Having lived in a flat tho I'd say they don't do any harm when thrown into different pots of hardy plants n they're easily disposed of that way.

  • artjakartjak Posts: 4,168

    I have heard that they make compost slightly more acidic, since my soil is pretty alkali I think they are a good idea. Coffee chains like Starbucks sometimes give away big packets of used grounds. But I would add large amounts to the compost bin gradually since I don't know what effect they have on the worms and other tiny creatures in the bin.

  • lydiaannlydiaann Posts: 209

    Coffee does make soil more acid, but it depends on the size of the garden and the amount of coffee you drink!  I think one filter's worth per day in a large bin wouldn't change the balance that much over the year.

  • Mrs GMrs G Posts: 336

    I put these in my pots of raspberries to make the soil more acidic.  I just empty them straight from my husband's coffee maker into the pots and I had loads of raspberries this year.

  • XX Posts: 707

    Don't drink coffee or tea imageimage

  • FairygirlFairygirl Posts: 19,737

    I rinse out the coffee pot and put them on the compost. Don't drink much coffee though. I'm a tea jenny!

    to walk through a forest is to touch the past

  • I tried adding coffee grounds twice but on both occasions something went crazy overnight and completely excavated the raised beds, presumably looking for what was smelling so good. Can't actually blame them because it smelt rather edible to me too as I was digging it in.

    Then again, whilst I have both foxes and squirrels living at the bottom of my garden, maybe caffeine-crazed wildlife isn't an issue where you live.

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