Forgot ….Muffy, others….here is one of the articles with ideas for vertical planting. These are only for root formations that are fairly compact. Not tap roots ….tho you might get by with very short, stubby variety of carrot???? Copy/paste if it doesn’t come out as a link.
Plants On Walls Vertical Gardens | Florafelt Living Wall Systems | Easy DIY Green Walls
OldMtWoman…brain isn’t working at peak today either. Hmph!