Paul, I had much better results with one pepper plant per 5 - 7 gal pots than in smaller pots. Also, in my climate, I had a problem with plants drying out and wilting too quickly in the small pots. They can really suck up lot of water once they get big and start producing. The difference was great enough for me to take the trouble to transplant a large fruiting hot pepper plant, and after it settled into the new 7 gal pot, it grew much larger, looked healthier, and loaded up w/ many more peppers.
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