The plants are heavy feeders and can grow quite big and wide. The Sutton is more compact, only about 20 inches high. Frankly they may well grow in the depth you suggest , I have never done it but I have grown The Sutton in containers with no problem.
I would love to hear your results.
Do you know what kind you are planning to grow. I may have a few seeds I can spare but I don`t have The Sutton. How many seeds would you need. Let me know and I will check my stash.
XX Jeannine
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