benali
Senior Member
Posts: 114
Joined: Wed May 22, 2013 6:40 pm
Location: Zone 5b

Is Cut Grass Ok as Mulch Around Trees?

I wondered if anyone here has experience using cut grass as a mulch around their trees. I searched around the web and was surpised that it seemed to be controversial. I have a lot of cut grass on hand and would like to mix it with some pine needles (for aeration and to prevent matting) and use it for tree mulch. I should add that I've never applied any pesticide, weedicide, or fertilizer to my grass, so it has no additives that might hurt the trees. Thank you for any feedback.

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hendi_alex
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Joined: Sun Jul 06, 2008 11:58 am
Location: Central Sand Hills South Carolina

Re: Is Cut Grass Ok as Mulch Around Trees?

If using straight lawn clippings then some caution might be exercised, as the grass can get overly wet and begin to putrefy. When mixed with adequate browns, such as pine needles, the clippings should not get overly saturated and should behave pretty much like a cold compost pile, where the materials slowly break down to provide nutrition for the soil. I would just caution that you should used adequate browns, and maybe lift the mulch in places from time to time, to make sure that it is slightly damp, but not water logged and slimy.
Eclectic gardening style, drawing from 45 years of interest and experience. Mostly plant in raised beds and containers primarily using intensive gardening techniques.
Alex

benali
Senior Member
Posts: 114
Joined: Wed May 22, 2013 6:40 pm
Location: Zone 5b

Re: Is Cut Grass Ok as Mulch Around Trees?

Thank you both for the excellent advice.

Cheers!

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