- Free wood chips and delivery from ChipDrop: ChipDrop matches people who want free wood chip mulch with arborists and tree companies who are trying to get rid of it.
- Contact arborists in your area to see if you can obtain wood chips from them. The International Society of Arboriculture helps you find arborists nearby.
- Search online for other tree professionals not certified by ISA who might also have wood chips; search “tree services” in your region.
- Using Arborist Wood Chips as Landscape Mulch, WSU Publication FS160E. Peer-reviewed article detailing the reasons for using arborist wood chips as landscape mulch and addressing common misconceptions about the material.
- Prof. Linda Chalker-Scott’s Mythbusting Fact Sheets
- Other WSU Extension Publications on non-organic mulches.
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