Create a Vertical Garden for Vegetables, Herbs, and Flowers

Want to grow a garden but lack space? Vertical gardening is about growing upwards instead of outwards. It results in fewer plant problems and it’s easier on your back, too! Whether you have a backyard or patio, learn all about the benefits of vertical gardening, which plants are best suited for it, and how to get started with this Vertical Gardening Guide!

The Benefits of Vertical Gardening

Gardening in all three dimensions by using a fence, trellis, or other structure increases the growing area available to gardeners. Here are just a few of the benefits of vertical gardening:

  • First and foremost: increased yields. Making maximum use of space means a heartier harvest. Maintaining and harvesting from a vertical planting is also physically easier—plants reach a higher level, so the need to bend and kneel is minimal.
  • Furthermore, because foliage and fruit are up off the ground, they are less susceptible to disease. Upward growth provides better air circulation, which means that plants dry faster after watering, thereby reducing the risk of moisture-loving fungi like powdery mildew and rusts taking hold. Symptoms of disease and evidence of pests are more visible and can therefore be addressed sooner rather than later.
  • More leaf surface is exposed to the sun when plants aren’t sprawling on the ground, which can result in healthier growth.

While there are many benefits, do note that vertical gardens might need more frequent watering. Wall-mounted planters especially are likely to require regular watering because of the rain shadow cast by the wall. Micro, or drip irrigation systems deliver water efficiently and can be coupled with a timer to automate delivery of water.

 

Which Plants Are Best for Vertical Gardening?

Choosing the right crops and cultivars is key. Vining, rambling, and sprawling plants are readily trained to grow up and off the ground, unlike bush-type species. While bush type crops are smaller, they actually take up more horizontal space on the ground. Growing a vining variety lets you grow it up on a trellis, using less horizontal space.

Remember: However they’re grown, vegetables generally need 6 to 8 hours of direct sunlight. In most climates, you will want to make the most of sunshine by picking a surface that faces the midday sun or west to catch the afternoon sun. Any heat absorbed during the day will then be reflected back onto your plants at night, speeding growth and harvest-time.

Our favorite vegetables for vertical growing are pole beans, climbing peas, sweet potatoes, vining tomatoes, and sprawling types of zucchini, cucumber, melon and squash that can be trained up supports.

  • Cherry tomato: ‘Sungold’, ‘Black Cherry’, ‘Gardener’s Delight’, ‘Blondkopfchen’
  • Cucumber: ‘Burpee Hybrid II’, ‘County Fair 83’, ‘Dasher 11’, ‘Saladin’
  • Green bean: ‘Romano Italian’, ‘Meraviglia Venezia’, ‘Gold of Bacau’
  • Lima bean: ‘Doctor Martin’, ‘King of the Garden’
  • Melon: ‘Delicious 51’, ‘Tigger’, ‘Sleeping Beauty’ (musk melon); ‘White Wonder’, ‘Yellow Doll’ (watermelon)
  • Pea: ‘Dual’, ‘Garden Sweet’, ‘Maestro’, ‘Sugar Snap’, ‘Super Sugar Snap’
  • Squash: acorn, delicata, yellow summer, zucchini

 

Vertical Garden Supports

When deciding on the type of support to use for your vertically growing plants, think about sun and wind exposure, plant size, and maintenance requirements.

There are many types of supports from which to choose. In addition to trellises, tripods, arches, and pergolas, there are gazebos, wire cages, netting, bamboo poles, and more. Some gardeners have even invented ways to use 2-liter plastic soda bottles, gutters, and PVC pipe to great effect.

Try to match the structure with the plant’s characteristics.

  • For example, leafy plants with tendrils, such as pole beans and sweet peas, do well climbing up trellises – either bought or homemade from woody pruning.
  • More substantial plants, such as grapevines, benefit from sturdier structures—perhaps an arch or pergola. Keep in mind that a structure must be able to accommodate a mature plant’s weight, and it should be well anchored to keep it from toppling over.
  • Fruit trees such as apples, pears, and cherries can be trained into a vertical plane either against a wall or fence or along free-standing wire supports. These trees may be trained to produce single-stemmed cordons, fan shapes, parallel-branched espaliers, or any manner of other fence-hugging forms. Use sturdy, horizontal wires strained between fence posts to create the necessary supports for wall-trained fruit.

While you can buy pre-made structures, there are a lot of DIY solutions such as livestock fence panels which are 8- or 16-foot long panels come in a variety of heights and can be installed by using a few metal posts. Even an old colorfully-painted window frame could be used.

Old wooden pallets are widely available and turning them into vertical planters is a great way to reuse them. Check they are safe for reuse by looking for the pallet stamp. Stamps should display the IPPC logo and/or the letters EPAL, plus HT or DB, which means the wood hasn’t been chemically treated.

  • If building with a pallet, just sandpaper down the rough edges, patches, and sharp corners on the pallet. If the packet doesn’t have a backing, nail the MDF (medium-density fiberboard) to the back of the pallet using 12-inch nails.
  • Lay the pallet flat and fill it with potting soil. Then, while the pallet is still flat, start planting. Leave space between each plant. Water in. Leave pallet flat for two weeks for before standing it vertically.

Planters, Pockets, and Baskets

Be creative with wall-mounted pots, planting pockets, tower planters, and hanging baskets. Fill them with herbs, salads and strawberries, then watch a blank space take on a whole new life! A couple tips:

  1. Use containers that will accommodate adult-size plants—growth will be stunted if pots are too small.
  2. Any walls or fences must be strong enough to hold the considerable weight of the plant as well as damp potting soil if you’re hanging plants off the structure.

You can make your own wall-mounted planters from recycled food tins or bottles that have been lined with plastic, sturdy bags, or parallel rows of window boxes or tubs.

 

DIY Trellis Panel

One easy way to make a vertical garden in an attractive way is a trellis panel secured onto the wall to support a range of pots planted with herbs, vegetables and flowers.

  • Choose an appropriate-sized panel then give it a coat of wood stain or paint to protect it and help it stand out. Drill holes into the wall with a masonry drill bit, line them with wall anchors or rawlplugs, then screw in a suitable strong L-shaped hook. Our panel uses three. Check that the hooks are level and evenly spaced then hang up your panel.
  • Plant up or sow your pots with low-growing crops like lettuce, pea shoots, bush beans, radishes, herbs or–for a pop of color–a few flowers like violets and marigolds. Space out the pots evenly and secure them to the trellis with sturdy garden twine, wrapped two to three times around the pot to spread its weight.
  • Don’t forget to keep plants watered so they don’t dry out. Harvest regularly and resow, replant or reconfigure your display as needed.

See the video below to watch how it’s done, plus find 2 other great ways to grow vertically including a sturdy green bean teepee and a vegetable archway for easy picking!

 

Indoor Vertical Gardening

Indoor vertical herb gardens are also a great way to grow fresh ingredients in the kitchen without crowding the counters.

  • Use hose clamps to fasten small pots or mason jars to an old cutting board and then hang the board on a sturdy hook in a well-lit area.
  • Add about an inch of pebbles to the bottom of each container and then fill with potting soil and herbs such as basil, chives, mint, oregano, and sage.

Alternatively, you can attach a few gutters to the wall or suspend hanging planters from the ceiling.

There you have it … the ABCs of vertical gardening. Now try your hand at growing up—the sky’s the limit!

 

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