Do tomatoes require deep or wide containers?

Choosing the correct container depth and width is critical to tomato success in confined areas. Deep containers can support substantial root systems, and adequately wide containers can prevent roots from rotting. I learned this the hard way on my first container tomatoes when I planted them in shallow planters. Their roots became knotted and limited in space. Both problems led to blossom drop and diseases.

For healthy tomatoes, focus on depth over width. A minimum depth of 12 inches (30 cm) will allow roots to access nutrients and moisture efficiently. Five-gallon buckets (19 liters) will serve as a minimum container size. Larger indeterminate varieties require 15-18 inches (38-46 cm) of depth. If the tomatoes are started in containers, be sure to measure the containers before planting the tomatoes to make sure there will be enough room for the roots.

Keep strict 3-foot spacing (0.9 meters) between containers. This avoids foliage contact, which spreads diseases like blight. Place containers where they can receive full sunlight without shading from each other. I use patio stones as spacers to ensure consistent distances throughout the season.

Put these tips into action now. Select containers that are suitable for the size of the tomato variety, and place gravel at the bottom to ensure proper drainage. Use a good potting mix combined with compost. During hot weather, and even in colder months, thoroughly water every morning. With adequate root space, your container tomatoes will thrive.

Read the full article: Tomato Plant Spacing: Expert Tips for Maximum Yield