Quote:
Originally Posted by zipcode
I would say 5 is good, but 7 is quite a bit better for top manual watering. If you use drip irrigation 5 is more than enough however.
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I think this is very good advice. I think the watering method dictates the minimum container size. I manually water my dwarf tomatoes (and peppers) in 5 gallon buckets. By early-mid July I need to water the plants every day otherwise they will wilt by the end of the 2nd day. Given the frequent watering, I feed every 10-14 days. On drip with nutrients I believe AKMark and others have gone even smaller than 5 gallon.