A practical guide to building simple trellises from affordable materials, which vegetables benefit from vertical growing, and how to train plants to climb.

Garden Trellises: Simple Ways to Grow More Food Vertically

Why Vertical Gardening Makes Sense

Every gardener wants more than their space can comfortably provide. You can plant so many seeds, tend so many rows, but then come harvest time and you realize you're out of room. That's where vertical growing comes in.

Growing vertically doesn't magically create more land. It does let you use the air space above your garden beds, which is usually completely wasted. A trellis costs very little to build but can multiply how much you grow from the same square footage.

What Grows Well on Trellises

Not every vegetable wants to climb. The ones that do well with support are:

Beans and peas - These are the easiest to start with. Bush varieties don't need it, but pole beans and most peas will climb whatever they can grab onto.

Cucumbers - They produce more fruit when their vines aren't sprawled on the ground. They also stay cleaner and easier to harvest.

Tomatoes - Especially indeterminate varieties that keep growing all season. They need steady support or they'll flop over under their own weight.

Squash and melons - Regular squash can sprawl on trellises if you support the fruit, but large melons usually stay on the ground.

Pole beans - These produce all season long and will go straight up if you give them something to climb.

Simple Trellis Designs That Actually Work

You don't need expensive kits or complicated systems. Here are three approaches that work well.

A-Frame Trellis

Build an A-frame from two 8-foot pieces of 2x4 or sturdy bamboo, with a base about 2 feet wide. Connect them at the top with a nail or wire, and run horizontal wires or twine across the frame. Plant beans or peas at the base.

This works well at the end of a garden bed where it won't shade other plants.

Single Post with Netting

Drive a sturdy post (4x4 or metal T-posts work) into the ground. Attach garden trellis netting that runs from ground to 5-6 feet high. This is simple and cheap, especially if you buy the netting in rolls.

Plant cucumbers, pole beans, or peas along the bottom.

T-Bar Support for Tomatoes

Two posts with a crossbar on top, plus individual support for each plant. Run twine from the crossbar down to each tomato plant, or use the vertical stake method where each plant has its own sturdy stake.

Building from Available Materials

The best trellis is the one you actually build. Don't worry about making something that looks professional. Here are some common materials:

Bamboo stakes - Affordable, light, and easy to push into the ground. Work well for smaller trellises or individual plant support.

Wood scraps - Even 1x2 or 1x3 boards work. You don't need lumber grade material.

Garden netting - The plastic mesh used for trellising costs very little and is ready to use.

Twine or string - Strong cotton or synthetic twine works for tying plants up or creating support lines.

Wire fence panels - Old wire fencing makes great trellis panels. Just stake them into the ground and plants climb right over.

Planting and Training

Once your trellis is up, it's time to plant:

Start seeds or transplants at the base - Don't worry about placement being perfect. Most climbers will find their way up if something is there.

Give them something to grab - Young vines need a little help. Gently wrap stems around the support when they're first climbing. After that, they'll usually take over.

Train as they grow - Check regularly and guide wandering vines. A few minutes a week keeps things neat and prevents tangled messes.

When Vertical Growing Makes the Most Sense

Small gardens - If you have limited space, every foot of vertical is another foot of production.
Hot summers - Fruits stay off the ground, which keeps them cleaner and can reduce disease.
Walk-through access - Some trellises create walkways where you can reach the other side for harvest.
Aesthetic appeal - A well-kept trellis looks good and makes the garden feel intentional.

The Honest Assessment

Vertical growing isn't always better. Here are the downsides:

Water needs increase - Plants on trellises dry out faster because they're more exposed to air and sun. You'll need to water more often or use mulch.

Harvest takes more effort - Reaching up to pick fruit can be harder than bending over. Tall trellises might need a step stool for some people.

Wind can be an issue - Tall structures catch wind and can rock or even collapse in strong gusts. Stake them well or build them into solid structures.

Some plants don't want it - Tomatoes, beans, cucumbers, and a few others thrive vertically. Most other vegetables don't need or benefit from it.

Quick Start for Beginners

If you're new to this, start simple:

Build one A-frame or buy some garden netting
Plant pole beans or cucumbers along the base
Train the vines as they grow
Harvest your first vertical crop

After you've done one successful season, you'll see the value and expand from there. The learning curve is gentle and the payoff is real.

— C. Steward 🥕