Growing Tomatoes in Raised Beds

Growing tomatoes in raised beds is one of the easiest and practical approaches to gardening. You don’t need to be a master builder or even handy with tools to set up raised beds, either. Both Burpee icon and Gardener's Supply icon have a wide variety of affordable, lasting raised bed components with simple set up and easy-to-follow instructions.

Advantages of growing tomatoes in raised beds

Drainage. Beds are set higher. Water drains out more easily.
Yield. In a raised bed, you can grow your plants closer together, producing more tomatoes for your space.
Convenience. Higher beds mean you don’t have to bend over as much to work the soil. (You can even build waist-high beds that make it easy to work on beds if you find it especially difficult to lean over. Check out these Garden Rack plans.)
Soil quality. Adding compost, top soil, and fertilizers to the garden bed (not the paths) mean a nutrient-rich home for your tomatoes. This saves resources and concentrates them where they will be best used. You’ll also walk on paths between beds and prevent garden soil from becoming compacted.
Plant health. If a fungus or other disease overtakes your tomatoes, you can replace the soil in the following year – a step that would be impractical and cost-prohibitive in a regular garden.
Pest prevention. Slugs find it harder to infest tomato plants grown in raised beds.
Neatness. Raised beds are contained areas which are easy to maintain.

How to get started with tomatoes in raised beds

1. Select the best spot

The best raised bed sites for tomatoes are level, well-draining, and close to a water source. Choose a spot that receives at least eight hours of direct sun daily.

2. Prepare the soil

Create an outline of your raised bed with string, garden hose, or even flour. Measure the area. Then work the soil. Tomatoes are deep drinkers. Roots of plants in a raised bed will need to penetrate the soil below. Most vegetables grow beautifully in 12-inch deep beds, but deeper is better with tomatoes. Prepare the site by removing sod. Use a tiller, spade, or pitchfork to turn and loosen the soil at least 12 inches deep.

3. Choose an edging material

Select an edging material that is long-lasting so you can grow tomatoes year after year. Chose from all kinds of edging materials. Both Burpee icon and Gardener's Supply icon have a wide variety of affordable, lasting raised bed components.

More on Burpee raised garden systems icon.
More on Gardener's Supply raised bed components icon.

  • Plastic. Black plastic raised bed sides absorb heat and warm soil early in the season, then help retain moisture all summer long. Check out these simple plastic raised grow bed icon components.
  • Recycled composite. Attractive and long-lasting, new composite materials are an excellent “green” alternative to building raised beds: Composite raised beds icon components.
  • Galvanized steel. Sturdy, galvanized sheet metal does not bow or bend. It has proven to be is a superior material for watering troughs, outbuildings, and now, raised beds. Cut your own or order it pre-cut for even easier construction: metal raised beds icon parts and sets.
  • Lumber or cinder blocks. Measure your area carefully. Use raised bed plans to help.
What not to use for raised beds
Railroad ties have been treated with creosote and other chemicals that will slowly leach into the soil, poisoning your garden. Unless you are planning to line your garden with plastic or seal the ties with some sort of coating, don’t use them for tomatoes in raised beds.

How wide should I make my bed?
Make sure you can reach the center of the bed from either side – usually no more than 4 feet wide. This way you will be able to reach in and cultivate the plants easily. One common mistake is to build raised beds too closely together. When paths are too narrow, then when plants grow in, there is no place to walk! If you’re building more than one bed, set them far enough part enough to get your wheelbarrow through (usually 30 inches, but measure your wheelbarrow to make sure!)

4. Fill beds

Install the edging material. Line the bottom of the raised bed with chicken wire or hardware cloth to keep out gophers, moles, and other tunneling pests.

To determine the volume of soil needed to check your raised bed, measure its length, width, and height in feet and multiply those numbers together. The result will be the number of required cubic feet. Combine top soil and organic matter (shredded leaves, compost, well-rotted manure, kelp) in the raised bed. Use a spade to mix components well. Rake the surface smoothly.

5. Plant your tomatoes in raised beds!

Follow regular tomato planting steps.

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