How to Build a DIY Tomato Trellis

“There’s nothing better in life than true love and a homegrown tomato,” goes the old saying, but tomatoes require careful maintenance and staking. This DIY tomato trellis choice is inexpensive, practical, sturdy and long lasting to support your tomato plants throughout their growing season.

**This is a post sponsored by Clayton.

Trellising tomatoes is important as it keeps the vining plants off the ground and helps reduce pests or diseases. It also provides tomatoes with adequate air circulation and sunlight.

In our garden, we grow several heirloom varieties of tomatoes. Many of them can grow to be over 7 feet tall. So, a tomato trellis is an essential part of my garden.

Herbs and plants in the garden of a manufactured home.

I started the year out using a single simple garden stake; however, I knew they would not last the entire season. The tomato vines would eventually get too heavy and tall for the stake.

Sure enough, a month or two into the gardening season, my tomato vines were falling over. So, with several 2x2x8 boards I was able to build this DIY wooden tomato trellis.

Supplies for a Wooden Tomato Trellis:

  • 6 2x2x8 boards
  • Screws
  • Measuring Tape
  • Impact Driver
  • Saw
  • Jute String
  • Garden Scissors

Building Your Own Wooden Tomato Trellis

Once you have all your supplies, it is time to start building your tomato trellis. This is a simple trellis to build that should take less than one hour.

1. Cut the Side Boards to Size

Measure how tall you want the trellis to be. This may vary for each trellis depending on how tall the tomato vine can grow.

For this trellis, we used the saw to cut 2 of the 2x2x8 boards to 7 feet tall. We then cut a V shape into the bottom of the board to make it easier to put into the dirt. These boards will be the sides of the trellis. The screws will be attached to the raised garden beds.

Man cutting 2X2 boards in the garden of a manufactured home.

Next, we cut the remaining 4 boards. These boards will be for the cross boards that run horizontally and the two boards that run vertical in the middle of the trellis. To do this, we set the saw to rip the 2x2x8 in half. This provided us with 8 boards that are now 1x1x8.

2X2 wood boards lying on a saw table.

Six of the boards that we cut to 1x1x8 were cut down to a length of 6 feet and 4 inches long. My raised garden beds are 6 feet long and the extra 4 inches left an overhang of 2 inches on each end. I left the other two boards to the size of 1x1x8 because they will be the vertical boards that run in the center of the trellis.

2. Assemble Boards to the Raised Beds

The next step is to attach the 2x2 to the side of the raised bed. Our raised garden beds are filled with dirt, so we hammered the board in place with the V side going into the dirt. Then, using screws, we attached the boards to the raised beds. We did this on both sides creating the sides of the trellis.

Raised bed vegetable garden with tomatoes, herbs, squash and other plants.

3. Attach Cross Boards

Next, we carefully started adding the horizontal cross bars. Since my tomato vines were already tall, we had to work carefully to prevent damaging them. We attached the horizontal cross boards to the side boards of the trellis by using screws.

Once the horizontal boards were in place, we attached the two vertical boards (1x1x8) to the trellis. These boards stick down into the dirt to make a sturdier trellis, and then screwed to the horizontal boards.

Wood boards attached as cross boards for tomato trellis.

Growing Tomatoes on a Wooden Trellis

To grow tomatoes on a wooden trellis, I use twine to tie the vine to the boards. As the tomato grows, continue to tie the vine to the next cross board. Growing tomatoes on a trellis in the garden is beneficial to the plant. This supplies a strong support structure, helping the plant to grow stronger and produce large yields to harvest.

Trellis with tomatoes plants in the garden of a manufactured home.

I hope you enjoy building your own wooden tomato trellis! You can check out more homeownership tips on Clayton’s website.

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