8 DIY Trellis Ideas for Healthier Tomato Plants (2024)

Tomatoes are a favorite of backyard gardens, but they can become difficult to manage when they get large. Most gardeners choose to support tomatoes with a trellis or tomato cage to keep them under control, but many tomato cages sold at big box stores are not sturdy enough to support the weight of healthy plants. Good news: we have eight creative and custom ways to train your tomato vines up a trellis.

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But first, let’s look at why tomatoes need the extra support and structure that a trellis provides.

Why do tomatoes need a trellis?

  • Training your tomatoes up a trellis or other support will keep the fruit and the branches up off of the ground.
  • Unsupported tomatoes can be harmed by disease, hungry pests, foot traffic, and physical accidents.
  • Trellising your tomatoes helps you manage your space and grow more plants in a smaller area.
  • It can help with weed control, watering, and fertilizing, and pest control.
  • Giving tomato vines a place to grow helps provide circulation and sunlight to allow the fruit to ripen.
  • It keeps the fruit clean and makes harvesting easier.

Now that we’ve convinced you to support your tomatoes, it's time to start considering what kind of trellis you might like to use.

Plan your support system early so you can get it in place before the tomatoes have grown very large. It’s much easier to set up your system before the roots have grown and can be easily damaged. It’s also easier to start training the plants up the trellis while the branches are thin and supple.

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Determinate vs. Indeterminate

A standard tomato cage is usually enough for bush tomatoes, which are also known asdeterminate tomatoes. These plants grow into bushes of a fixed size that is manageable short. Determinate tomatoes have a short window for harvesting, usually about two weeks. This short harvest season can be overwhelming, so you may want to plan to do some canning if you’ve planted bush tomatoes.

Most heirlooms are indeterminate tomatoes. These tomatoes grow into vines and need a bit more support. These tomatoes have fruit that sets throughout the growing season, which makes them great as a slicing tomato.

Vining tomatoes need more pruning and maintenance throughout the season because the vines can reach heights of 6-8 feet. These tomatoes need a little more than your standard waist-high tomato cage.

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There are so many ways to trellis your indeterminate tomatoes.

Look at these ideas as a starting point to create something that works for you.You may decide to reclaim old pallets and wood, branches, or rebar. Or you might go to the hardware store and pick up brand-new materials.

This kind of creative hands-on project opens the door for even more fun and success in your garden.

8 Creative Ways to Trellis Tomato Plants

Here are just a few ways to trellis indeterminate tomatoes:

1 - Stakes- The simplest type of trellis can be made of very tall stakes driven into the ground. Some people even choose to use rebar as a tomato stake. Train your vine up this type of trellis by tying it with twine, string, or cloth.

2 -Posts and wire- Support posts are driven into the ground with wire mesh, fencing, netting, or even chicken wire attached. Vines can be woven in and out of the wires and attached with string or strips of cloth.

3 -Cone tomato trellis- This can be made from many types of support in a cone or pyramid shape, joined at the top with wire, twine, or other materials. You can gather branches for a rustic look, or use bamboo. This is a relatively inexpensive choice with materials that can also be easily disposed of or recycled at the end of the season. This style of trellis can have cross supports of the original material or twine.

4 -DIY tall tomato cages- Make your homemade cages to be much taller than the standard size. By making them yourself, you can also customize your cages to the expected height of your tomato vines. Construct them out of page wire by curving them into shape. They are also simple to deconstruct and flatten for easy storage at the end of the growing season.

5 -Wooden tomato cages-There are so many creative designs out there for those who love using natural materials like wood. They can be created in the shape of a ladder, tall rectangular boxes, or in a pyramid formation.

6 -Florida weave trellis- This type of horizontal string trellis consists of stakes driven along the row of tomato vines. Twine is woven between the plants and stake along a horizontal line. You can make this trellis taller by adding another layer of twine as the tomato plants grow and training the vines up the new layer.

7 -Vertical string frame- This popular and inexpensive system consists of a frame or support with twine or string hung vertically or at angles for an inverted V shape.

8 -Permanent frame- If you’re willing to invest in something more long-term, options like concrete supports and fencing or arch-style structures can be beautiful additions to your garden. Keep in mind that you’ll need to rotate your crops yearly with other types of vining vegetables to keep diseases and pests at bay. One frame won’t be enough for many years of productive tomato growing.

A sturdy tomato trellis will result in a more successful gardening experience. Use these DIY trellis ideas to increase your tomato harvest this year!

Written by Teresa Chandler

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8 DIY Trellis Ideas for Healthier Tomato Plants (2024)

FAQs

How can I make my tomato plants healthier? ›

Maintaining Plants. Tomatoes require 1 to 2 inches of water per week. To encourage a healthy root system, water infrequently but deeply, rather than daily and lightly. Fertilize plants every 4 to 6 weeks throughout the growing season to keep them consistently fed and able to produce juicy tomatoes all summer.

What can I use as a trellis for tomatoes? ›

Wood Frame String Trellis. A slightly-angled wood frame helps to support tomatoes as they grow upward in this interesting design. Using tomato clips, the vines are trained up along the strings at a slight angle, providing ease of access to all sides of the plant.

What is the best trellis for tomato plants? ›

From our experience, the two most effective tomato trellising techniques are using sturdy, square cages and using twine weaved between plants. We use both techniques in our garden, but for different situations. Using cages to trellis tomatoes is a great technique for several different situations.

How do you make a sturdy tomato trellis? ›

Try PVC Pipes for Support

Another sturdy method combines metal stakes with simple PVC pipes. Place stakes at the ends and middle of your patch and top them with PVC pipe. This creates an overhead support beam which you can run your twine from. Then, clip tomatoes to the twine as they grow for continued support.

Do coffee grounds help tomato plants? ›

Coffee grounds contain around 2% nitrogen as well as varying amounts of phosphorus and potassium which are all very important for the growth of tomato plants. By mixing some coffee grounds into the soil below your tomato plants you're introducing these nutrients that the plants need to thrive.

How do you keep tomato plants disease free? ›

To create a solution that prevents and treats disease, add a heaping tablespoon of baking soda, a teaspoon of vegetable oil, and a small amount of mild soap to a gallon of water and spray the tomato plants with this solution. This needs to be reapplied regularly to maintain its efficiency.

How do you support tomato vines DIY? ›

Vertical trellising is my preferred method for growing tomatoes. To hold up rows of vines from the tallest (indeterminate) varieties, you can use hanging strings to create a vertical trellis. Start by driving in sturdy 8-foot-tall wooden or steel posts at each end of the row and every 6 to 8 feet between them.

How do you add support to tomatoes? ›

Supporting tomatoes with stakes or spiral rods

Simply insert the stake into the ground, and then secure the plant to it using string, elastic bands, or plant ties. You can stake tomatoes growing in greenhouses, outdoors and in pots.

How tall should a tomato trellis be? ›

Wire Trellis

The tops of the posts should be 5 or 6 feet high. Staple or tie concrete reinforcement wire or wire fencing with 6-inch openings to the posts. You can leave a space of about a foot from the bottom of the wire to the ground; it should be high enough that your tiller can clear underneath.

How do you make a sturdy tomato cage? ›

Concrete reinforcing wire is thick and strong – after all, that's why it makes great tomato cages! The best way to cut it is to use heavy duty wire cutters (like the ones pictured below) that will cut through the thick wire like butter. Heavy duty wire cutters are a must-have when cutting concrete reinforcing wire.

What does Epsom salt do for tomato plants? ›

Tomatoes are prone to magnesium deficiency later in the growing season, which can show with yellowing leaves and diminished production. Ultra Epsom Salt treatments at the beginning of their planting and throughout their seasonal life can help to prevent and remedy magnesium deficiency in your tomato plants.

What is the best natural fertilizer for tomatoes? ›

High quality compost—material that is well-decomposed, dark in color, and crumbly—is the best tomato fertilizer to use regardless of the soil you're working with. Not only does an annual application of compost boost the nutrients available in the soil, but it also improves soil structure.

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