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Shrubs & Trees.
Trellis and Pergola 
       Styles in trellising, pergolas and arbours have changed little in hundreds of years. There are options to suit every style of garden and type of climber.

             Garden Supports.                 

Shrubs & Trees.

The versatile trellis.

Spruce up a wooden trellis: An old trellis can be in poor condition, particularly if it has not been adequately treated against fungal rot and algae. Ideally it should be treated with a water-based preservative every two or three years, although this can be tricky once it is smothered with climbing plants.
  • Untreated wood can be used for all manner of decorative purposes in the garden but, depending on the type of wood, it may deteriorate quite quickly.

  • Once you have preserved your garden timber you can apply a whole variety of colour washes and finishes either to blend the trellis into the background or to add more colour and contrast to the garden. Many of these colour washes are water-based and can be used in conjunction with a water—based preservative. Make sure you read the instructions carefully and do not use any preservatives harmful to plants. Put spacers behind the trellis If you are fixing a trellis to a wall or fence to support climbing plants, use small blocks of wood to hold the trellis about 5cm away from the wall. This enables the plants to twine in and around the trellis more easily and so supports the plant more securely. It also improves airflow around the wall and the foliage of the plant, thus reducing the risk of fungus.
Treated Wood.
          Garden timber products are usually pressure—treated with preservative chemicals. This treatment saturates the wood and protects it against damage from fungal rot and other problems. If in doubt, check before you buy. Treated wood is usually guaranteed for garden use for a number of years.
           Because some preservatives, such as creosote, are highly toxic, wear gloves when cutting or sawing treated wood.
Natural sound-proofing Town and city balconies can be screened off using a trellis covered in evergreen climbing plants. Either buy ready—planted containers complete with trellis, or combine plants with a trellis of your choice, and in a short time you will have an attractive living screen.
 A wall of plants will also absorb a certain amount of air pollution and reduce noise from nearby roads. Cover an unsightly water butt Make a screen or enclosure from trellis panels fixed to posts, then train vigorous climbers over it. To quickly cover an eyesore, choose plants such as clematis, golden hop, or, for a year-round disguise, ivy. These plants will not object to being pruned to ground level if major maintenance work or access to the tank is needed and will quickly re-grow to create a thick screen.
Train them well: Before you tackle the task of training a climber, remember that the base of a support or a wall is often set in concrete, and it is almost always in a rain shadow. To make sure the roots get enough moisture, position the plant at least 30cm away from the support.
Climbing plants are often sold with two or three stems attached to a thin supporting bamboo cane. After planting, carefully remove the bamboo cane, and gently position the stems against the support so that they will grow vertically, securing them with ties.
 A year later, the stems will have made new shoots. Separate these secondary stems and train them to fan outwards across the support at an angle of forty five degrees.
The following year the stems will have grown again and may even have developed lateral stems. Separate these and this time train them horizontally. Train the secondary stems at an angle of forty five degrees, and so on each year. Remember to keep the plant ties loose and flexible, so that each stem is free  to grow unhindered.
Create an illusion:  You can use a decorative trellis specially designed to alter the perspective of your garden and make a small space appear larger. A trellis with this ‘trompc l’oeil’ effect draws the eye into it to create the illusion of a deeper space. It is most effective when attached to a wall.
  • Remember, however, that if you train a plant over this type of trellis you will lose the illusion of distance that it creates.
Expandable trellis:  Some trellising is sold without an outside frame and can be expanded to fit the available space. The further you stretch the trellis, the more you open its structure.

Garden structures.

Create a rose umbrella.
            To train a climbing rose that has been grafted onto a standard root stock to form a dramatic cascade of flowers. Simply fix an umbrella-shaped rose frame into the ground and arrange the trailing stems over it.

A covered wigwam: If you have restricted wall space, you can still grow climbers on free-standing plant supports. Using tall bamboo canes, construct a Wigwam in a bed or a large container of compost. This will support the more compact, slower-growing herbaceous clematis such as Clematis ‘Arabella’ or smaller climbing roses.
 For heavier, more vigorous clematis, roses or honeysuckle, use stronger supports made from wood or metal that you can anchor to the ground among other plants in the garden.
Natural support.
Traditional gardeners coppiced willow, hazel and other native trees by cutting the main stem to the ground and allowing a crop of fresh stems to develop from the base. The stems they cut were used as supports in the garden and the home.
After a year or two of growth the stems can be used as supports for climbing plants. It you wait a while longer, they will grow thick enough to use for making on authentic rustic trellis for your garden.
Lattice fencing:  Lattice fencing in a criss—cross pattern has a natural, rustic look and is an ideal support for clematis, honeysuckle and cultivated blackberry. Try using it to fence off different sections of the garden, such as the vegetable patch or the children’s play area, as its open structure will make the whole garden appear larger.
Trellis panels for a terrace or patio:  If you can’t dig down into the ground to fix supports for a trellis, don’t despair. You can get special brackets that screw onto hard surfaces, into which the posts simply slot and are held in place with screws. The trellis can then be easily attached to the posts. If this is not possible you can also build ‘shoes’ from bricks cemented to the patio, which will hold the posts in position.

Fixing removable netting to a wall.
Fixing a  trellis to a wall.
1. Fix specially designed clips, available from DIY and garden centres, to the wall at regular intervals.
placing a garden trellis against a wall.
2. Place the netting against the wall and press it into the clips, which will keep the  netting away from the wall.

Garden wooden pergola with garden planters.
Knightsbridge wooden garden obelisks
Garden wooden pergola with garden planters.
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