Use crushed granite as an alternative to traditional mulch; it doesn’t break down over time

https://blogfreely.net/karionwvlo/transform-your-garden-with-crushed-granite-a-lubbock-tx-landscaping-must-have-1v11

Use crushed granite as an alternative to traditional mulch; it doesn’t break down over time, providing a long-lasting solution for weed control around plants.