Reworded (updated) sorry for not being clear, anyway... I have been taking dried up grass clippings from the lawn and have been using it in my garden. I have been putting it around my tomatoes, peppers, cabbage, etc. It helps with keeping the weeds from coming up because there is no sun getting to the weeds underneath. I have been told that the grass clippings can also be very good for the plants because it gives nutrients and stuff of the sort as it decomposes. But being grass I am not certain that it is true, grass being a good fertilizer? Also was told that it makes the soil softer. Like adding sand. That I most certain think is not true but that is why I am asking. (again sorry for not being clear)

  • there is no nutritional value for humans from grass as we cannot get much out of cellulose. did you mean herbivores like cows?
    – kevinskio
    Jul 9, 2016 at 1:27
  • No, I put grass around my plants to keep other weeds from coming up. I was wondering when they die what nutrients they can provide to the soil
    – Ljk2000
    Jul 9, 2016 at 2:10
  • What makes you think they'll die? I think you're asking if grass can be used as a green manure. Jul 9, 2016 at 3:31
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    I have an answer, but can't post it as one - yes, use grass clippings as a mulch, they contribute nitrogen, give some protection for plant roots from heat and increase soil porosity. But you should only use a thin layer to prevent the layer going into a soggy mess. This link talks mainly about leaving clippings on lawns, but also covers use as a mulch gardeningknowhow.com/garden-how-to/mulch/…
    – Bamboo
    Jul 10, 2016 at 11:40
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    By using thin layers of newly cut grass as a mulch is super for weed control, nutrients not so much as the nitrogen in the clippings will be used for the decomposers to decompose the clippings. Once those clippings are decomposed THEN the micro and macro organisms in the soil can EAT it then take it back down into the soil profile, poop it out, adding decomposed organic matter to your soil without having to manually mix it into your soil. Guess that is what you mean by 'softening' the soil. Adding sand, gravel, gypsum to soil for improving is just wrong. Only decomposed organic matter!!
    – stormy
    Jul 10, 2016 at 23:27

1 Answer 1


You can certainly use fresh grass clippings as a mulch; they contribute nitrogen, give some protection for plant roots from heat and increase soil porosity.However, they should only be applied as a thin layer - thicker layers turn into a soggy, smelly mess. Link below is largely about leaving clippings on lawns, but does cover use as a mulch


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