Tomato plants need containers that are at least 18 to 24 inches deep for adequate root growth, according to VIVA Gardens. Almost any container will work, but the pot must have good drainage. Because containers dry out quickly, you will need to water more often than if your tomato plant were in the ground.
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Aileen Clarkson has been an award-winning editor and reporter for more than 20 years, earning three awards from the Society of Professional Journalists. She has worked for several newspapers, including "The Washington Post" and "The Charlotte Observer." Clarkson earned a Bachelor of Arts in journalism from the University of Florida.