Episode-170- Square Foot Gardening Revisited – Question Time

  Tony-san, I have a question about raised bed. I think square foot gardening is a great idea and I would like to try it this year. Though, I am concerned about using treated lumber for vegetable bed. I know using cedar or hard wood is an excellent choice to make raised bed but they are very expensive and hard to find. What kind of material do you use ? I am sorry if you mentioned this in...