It will just fine. If you already have them, cool. Use’em. If you’re going to purchase, go 7 or bigger.
Seriously, look at the measurements of the dimensions. You’ll see how big you can go.
I have my first grow in 5 gallon buckets. I’m doing ok. Check out my journal.
1st grow. Let the adventure begin!
I have 7 gallon smart pots for my next grow and I’m going to see about ten gallon smart pots for the grow after that.