Composting Lawn Mowings

How to compost grass

The problem with composting your grass clippings is that it often goes really slimy, and smelly. The reason for this is that it's due to a build up of the wrong micro-organisms due to anaerobic conditions inside a pile of rotting grass cuttings. Even worms will struggle to assist in these conditions!. Practically it's a matter of quantity a few grass cuttings mixed into a well managed composting heap would be no problem at all but for those of us with a considerable expanse of lawn need another solution - Time to take action!

Ideally the contents of a composter should have a carbon/nitrogen ratios of about 30/1 and a water content of about 50%. Then, with plenty of air circulation composting can proceed. If you have an excess of lawn mowings adding really well torn up or shredded cardboard can really help balance conditions to achieve a good rate of composting.

But the very best way to help is not only add a variety of waste and cardboard as above but also to add a layer of leaves when possible and a layer of Complete Rot for Grass


Lawn clippings fail to compost well on their own and go slimy because they haven't yet produced enough carbon to balance their nitrogen content (their C/N ratio is too low, under 20/1), they contain around 80% water and they are really easily compacted which prevents air from circulating.

Complete Rot for Grass solves this, It balances the C/N ratio, it opens up the texture to help air circulate and it absorbs excess moisture.

Speed up your composting and enjoy your gardening with Complete Rot. Order direct from the farm here


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