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Q.Lawn mulching via robot lawnmowers returns cuttings to the soil. What about feed’n’weed chemicals ??

Zone BL6 7QS | Anonymous added on February 21, 2020 | Answered

I am thinking about buying a robot lawnmower because I am 80 yrs old and have angina. Normally I would scarify my lawn after applying a combined feed ‘n’ weed / moss killer, then REMOVE the clippings. I imagine that it would be unwise to use a robot or any mulching lawnmower until the feed ‘n ‘weed had been removed. Am I right ?

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Certified GKH Gardening Expert
Answered on February 22, 2020

The cuttings put organic matter back into the soil. The fertilizer and herbicide will degrade in time as the grass cuttings decompose.

Mow at a high setting, about 3 inches, and mow weekly or often enough so you are not taking off more than about 1/3 of the blade at one time.


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