Trellises and Obelisks

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Trellises and Obelisks Buying Guide: Everything you need to know


Having the right trellis or obelisk can make a huge difference to your garden. Whether you’re growing vegetables, flowers, or other plants, having something vertical to support them can help ensure they get the best exposure to sunlight and have enough room to grow. Furthermore, trellises and obelisks add an aesthetically pleasing touch to any outdoor space.


In this Trellises and Obelisks Buying Guide we’ve put together everything you need to know about these two types of garden elements: what materials are available for each, how large should they be for different plants, where to place them, and much more. With this comprehensive guide you will be able to purchase the perfect trellis or obelisk for your garden and make sure that your plants get the support they need to thrive.


What is a Trellis?

A trellis is a structure often made of wood, metal, or plastic which has an open design with horizontal or diagonal laths. It’s used to support climbing plants such as vines, ivy, roses, clematis, and other creeping plants. By providing vertical space for these types of plants to grow on it can help them reach their maximum potential in terms of height and size. 


What is an Obelisk?

An obelisk is a four sided structure which narrows at the top and is slightly pyramidal in shape. Obelisks are traditionally made of stone, although they can also be made of other materials such as wood, metal, and plastic. They are often used to support climbing plants that need a vertical structure such as clematis and morning glory.


What Materials Are Available For Trellises and Obelisks?

Trellises and obelisks can be found in a variety of materials including wood, metal, plastic, or even bamboo. The most common type of trellis is made from wooden laths which have been connected together into an open lattice design. Metal trellises use metal rods or wires woven together into a lattice pattern. Plastic trellises use a combination of plastic lattice and metal poles to give the structure strength. Bamboo trellises are similar to wooden trellises but are made from strips of bamboo that have been woven together. 


What Size Trellis or Obelisk Do I Need?

The size of the trellis or obelisk you need depends on the type of plants you’re looking to support. If you’re growing vines, clematis, morning glory, or any other creeping plant then it’s best to get something at least 6 feet in height with a width between 18 and 24 inches. For shrub roses it’s recommended that you get something 8-10 feet tall with a width of at least 24 inches.


Where Should I Put My Trellis or Obelisk?

Trellises and obelisks should be placed in an area that gets plenty of sunlight so that your plants can get the energy they need to grow. It’s also important to make sure it’s near enough to a source of water for your plants, such as a garden hose or sprinkler system, as well as in an area where there is no obstruction from other obstacles such as trees or buildings. 


How Do I Attach A Trellis or Obelisk To The Ground?

When attaching trellises and obelisks to the ground it’s important to use the right kind of hardware or fasteners. If you’re using metal posts or rods then you can either use bolts or screws. You will also need to make sure that the hardware is appropriate for your soil type, as different soils require different types of fasteners. For wooden trellises and obelisks, it’s best to use a hammer and nails to attach them securely to the ground.


How Do I Attach Plants To A Trellis Or Obelisk?

There are a few different ways to attach plants to a trellis or obelisk depending on their size and type. Climbing vines should be tied onto the lattice with soft twine or wire. Shrub roses should be tied onto the trellis or obelisk with garden ties. For smaller plants, you can use clips to attach them securely.


How Do I Care for A Trellis Or Obelisk?

When it comes to caring for your trellises and obelisks, proper maintenance is key in order to keep them in good condition. Be sure to check them regularly for any signs of damage and make repairs as needed. If they’re made out of wood then they will need to be sanded down and sealed or painted every few years in order to prevent rotting and decay. Metal trellises may require rust-proofing on a regular basis. Plastic trellises and obelisks will require cleaning with a mild detergent and water.


What Are The Benefits of Using Trellises And Obelisks?

Trellises and obelisks are great for creating vertical accents in your garden as well as providing support for climbing plants, shrub roses, and other plants that need a vertical structure to grow up against. They can also provide extra privacy or help divide an area into separate sections in the garden. In addition, they’re very economical and easy to install, making them an ideal choice for those who want to spruce up their yards without breaking the bank. 


How Long Does A Trellis Or Obelisk Last?

The lifespan of a trellis or obelisk depends on its material and how well it’s maintained. Generally speaking, wooden trellises will last the longest with proper care and maintenance while metal and plastic ones tend to have shorter lifespans due to rusting or fading over time. With regular upkeep, however, any type of trellis should be able to last for many years.

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