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Old 08-11-2014, 01:48 PM   #1
Birding Bunch's Avatar
Join Date: Apr 2012
Location: Iowa, USA
Default Best Mulch to Prevent Frost Heave?

I have not really used much mulch, except for mowed grass. Sometimes the boys rake it up to put into piles and we use it for the garden and around some native plants. I was reading about leadplant needing mulch in the fall to prevent frost heave. I am sure there are others, but that's the only one I can remember at this time.

I kind of cringe at purchasing mulch, but I want to protect the natives that need it.

Thank you for any advice.
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Old 08-11-2014, 01:56 PM   #2
rockerBOO's Avatar
Join Date: Jun 2012
Location: Lower Pioneer Valley

I have done some reading that suggests mulching wont prevent frost heave. Frost heave seems to be most destructive in shallow soil. What it will do is keep the temperature from fluctuating too much and prevent a certain amount of heaving.

Lead plant should have very deep roots and should not have an issue with frost heave if established enough. Maybe just plant it in the spring if it has issues.

Cardboard cut around the plants and covered in a light covering of wood/straw mulch or leaves might be economical.
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frost, heave, mulch, prevent

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