Question: Would it be better to plant a tomato plant in a pot or pepper plants-which will require the least amount of water?
Answer: Tomato plants will need a 5-gallon container because they have extensive root systems. I'd plant the tomato in the ground and the pepper plant in a container. Peppers require less water than tomato plants.
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When singular and plural spellings differ, as in peony and peonies, try both.