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composting walnut shavings

 
Posts: 5
Location: Indiana
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Can I compost walnut shavings and have no ill effect on my garden, looks to be a mixed bag of answers on the net. My thinking is to utilize this carbon, but compost it longer and isolate the usage and just see the results.
 
pollinator
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Location: Boston, Massachusetts
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Here's a link to some good info re: sensitivity/tolerance...
Morton Arboretum

Personally, I'd find something else to do with the shavings rather than adding them to compost (which then would have conditions related to its use due to the juglone). I've heard of an urban garden on a university site that unknowingly used compost made with walnut stuff, that had disappointing problems trying to grow in those beds, and it took a couple years to resolve.

The shavings might make good mulch, provided the juglone is something tolerable, it might even be "helpful" in some scenario.

You could use the shavings for fuel or make biochar...

From my experience it is best to not add anything to the compost that could be problematic: invasive weeds/allelopathic or toxic plants/diseased plants/or anything you can't take out later. I don't worry so much about things like stones/sticks/litter since I can screen those out (I pick those when I see them).
 
pollinator
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Location: San Diego, California
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Agreed, do not compost, even as mulch the juglone will leach into the soil and either kill or stunt your plants.

Some people use sawdust/shavings as attic insulation?? maybe that could work for you.

The classic example for sawdust reuse is in soaking up small spills and then sweeping it up. just keep it in a jar and throw down as needed.
 
pollinator
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That is a perfect opportunity to make some "herbicide". Not for killing weeds in your veg garden, more like keeping stone paths weed free type of jobs. We have a 100 m long stone drive way (shared) and it is pain to keep the maintanance (I vetoed use of -cides, long story short now it is my duty to keep it "weed" free). This is how I do; put them in a bathtup, collect the liquid and pour it on weeds.
Hope it helps
 
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