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June 23, 2020

For obvious reasons, we’re all spending a little more time at home at the moment. And, for those of us lucky enough to have a garden you will have been spending more time in it than you could have possibly imagined (or even wanted to!). But during this time many of us will have discovered the alchemy of composting. It really is like magic, all you need is a compost bin, some compost worms and the right stuff and you have got yourself free compost forever. And, here’s the thing, the right stuff does include your used coffee.

Coffee as a fertiliser

Some independent coffee shops give away their used coffee grounds to gardeners to be used as fertiliser. Why? Coffee is rich in the stuff that plants love like potassium, nitrogen and phosphorous. The quantity of these ingredients will differ from coffee to coffee but, let’s be honest, to most of us amateur gardeners we don’t want something that is high in X — we just want an effective fertiliser for our flowers and plants.

compostable coffee grounds

Are there any dangers when using coffee in the garden?

If you have a dog - a word of warning. Don’t put your used coffee directly on to your plants. Coffee (even after it has been used) still smells pretty good and it’s also high in caffeine. So if your dog likes to attempt to eat pretty much everything (like most dogs) the used coffee might cause them some harm. Our advice would be to make sure your coffee is properly composted in a bin with other carbon-rich material. For instance, if you like filter coffee you could also add the paper filters in with the used coffee grounds.

Compostable coffee pods

Our Nespresso ® compatible pods are fully compostable. When Nespresso machines first landed on the market everyone loved the creamy strong brew and range of flavours available. But the eco-conscious amongst us probably felt a pang of guilt about where those shiny metallic pods were going. Thankfully our compostable coffee pods are a delicious and environmentally friendly solution. If you are a keen gardener you can simply put them in your compost bin and, after around 90 days, they will be fully composted and ready to be used as a carbon-rich fertiliser on your flowers and plants. And, if you don’t have a garden but do care about the environment, simply disposing of the pods in the food waste bin provided by your council will mean that you can enjoy delicious coffee without any environmental guilt.

The importance of properly composting

Most methods of brewing coffee will require quite a fine grind. And, without properly composting your used coffee grounds you could be opening yourself up to a few issues. Those of us who have to create a garden on clay soil will know the perils of the soil clogging together if your coffee is not properly composted it could become more of a hindrance than a help and effectively choke your flowers and plants. Our top tip? Make sure your coffee is composted for 90 days before you use it.


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