safe options for raised beds
what is the safest and longest lasting product to do for raised bed gardening for food.
Hennepin County Minnesota
You have many options on design of the beds. https://extension.umn.edu/planting-and-growing-guides/raised-bed-gardens#containerized-raised-beds-881262 http://www.arboretum.umn.edu/raisedbeds.aspx http://www.anokamastergardeners.org/blog/2016/4/17/raised-garden-beds These pieces discuss some of the concerns with treated wood and concrete blocks. https://extension2.missouri.edu/G6985 https://extension.umd.edu/hgic/topics/materials-building-raised-beds I know someone who had bad experience with particle board for raised beds. It quickly broke down into small fragments in the soil. Some general information on soil. https://extension.umn.edu/planting-and-growing-guides/planting-vegetable-garden