Answer: Yes, the containers are a good size for a vigorous tomato plant. Be sure to make several drainage holes along the bottom of the sides of the containers, to allow water to run out. Use commercial potting soil in your containers rather than just garden soil, to ensure good water- and nutrient-holding capacity. If you fill the containers with only garden soil, they will be difficult to keep well-watered, and too heavy to easily move or empty at the end of the season.
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