Tires are recycled as rubber mulch, garden edging, tree rings, and by homeowners for raised beds, growing potatoes, and other gardening projects.
- When you are driving, your tires pick up toxins from the roadways including gasoline and oil. Maybe this is cleaned off the tires before use. Maybe not. Also, consider what cleaners are used to remove them.
- Tires contain materials that I would prefer not to have in my landscape. There are studies indicating that these leach into the soil.
- If using rubber mulch and you ever want to remove it Good Luck! Since it does not decompose like bark or other organic mulches it would be difficult if you change your mind and want it out.
- Tires stink. The smell of tires while sitting in a tire shop makes me feel sick. I want nice smells in my garden such as herbs, flowers, and healthy soil – not tire smell.
If you need some more reasons or information:
PDF about rubber mulch including references
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Beuna, Garden Coach