I just tried some "alternative" container gardens last year, and I think it worked out pretty well!
Some online digging suggested that Ikea bags are made from a non-leaching plastic, so I used them to grow greens, tomatoes, potatoes.
Here's what went well, and what was troublesome, about gardening in Ikea shopping bags, in case you'd like to try it yourself.
Ikea Garden Pros
Ikea Garden Cons
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