Walnut -- Mulch Material

By The Old House Web
Walnut leaves, hulls, sawdust or wood chips shouldn't cause a toxicity problem if the material is allowed to compost actively for several months before using. Turn leaves, hulls, chips and sawdust frequently and keep moist during the compost period. An inactive pile should not be used for approximately one year.

Fresh leaves, hulls, sawdust or wood chips may release juglone and injure desirable plants.

1994-dr


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