DIY instructions: Build a planter with trellis yourself

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Planter with trellis

In order to decorate climbing and climbing plants, a trellis is ideal. For climbing artists such as roses, clematis and colleagues to celebrate their art on the balcony or terrace, the combination with a planter is a great advantage. Thus, also facades, pergolas or fences are greened, which are not directly adjacent to soil. With a little manual skill hobby gardeners construct a tailor-made solution made of wood. The following DIY tutorial will show you how to build a planter with a trellis yourself.
Material list for the planter
In the nature-bound garden, wood is the first choice for the construction of a planter with integrated jungle gym. Although all kesseldruck impregnated garden timbers are suitable, types of wood, such as pine, spruce and larch are especially recommended as thermowood. To improve durability, this garden wood is subjected to a thermal treatment at 170 to 230 degrees Celsius, so it is defined as thermowood. If the financial budget for the purchase of materials is a little more lavish, of course, nothing speaks against the use of teak, Douglas fir or other tropical wood. To build the container, the following material is required:
  • 8 longitudinal strips measuring 2.5 x 9.4 x 115 cm
  • 8 transverse strips measuring 2.5 x 9.4 x 40 cm
  • 3 floor boards measuring 2.5 x 9.4 x 120 cm
  • 4 corner posts measuring 4.5 x 7 x 115 cm
  • 3 skirting boards measuring 4.5 x 7 x 40 cm
  • 2 transport castors with or without lock
  • 1 piece pond liner in the size 1.5 sqm x 1.2 mm thickness
  • 1 piece of drainage fleece with an area of ​​0.5 sqm
  • and stainless steel screws
DIY guide for the planter
The frame is made up of 4 opposite longitudinal and transverse strips. These are stabilized at the corners by an upright corner post and connected to the stainless steel screws. The longitudinal boards are 115 cm long and the cross boards 40 cm. The bottom of the planter is made up of 3 planks with a length of 120 cm. These are screwed at a distance of 2 cm, so that excess irrigation water can drain away and no waterlogging arises. The 3 skirting boards additionally ensure good ventilation from below. In addition, you can optionally mount wheels here to give mobility to the planter. Please take care when choosing the castors that they can handle a weight of at least 125 kg.
Finally, the finished planter is lined inside with pond liner, which is provided in several places with holes. Alternatively, use a suitable plastic insert that is ideally purchased before the planter is built so that the dimensions can be adjusted if necessary. Here, too, attention should be paid to a sufficient number of bottom openings so that water can drain.
Material list for the trellis
In order for the wooden box and the trellis to form a harmonious unit, the same type of wood should be used for both components. These materials are required:
  • 4 vertical frame rails 2.5 x 6.0 x 120.0 cm
  • 4 horizontal frame rails 2.5 x 6.0 x 100.0 cm
  • 2 vertical frame rails 2.5 x 3.0 x 120.0 cm
  • 2 horizontal frame rails 2.5 x 3.0 x 120.0 cm
As the later DIY instructions for the individual construction steps show, you create a total of 3 frames. Here, the grid frame is clamped between two frames of equal size and firmly clamped by a third, smaller frame. This creates a high degree of stability, so you can use in the planter also powerful creepers or berry bushes.
For the trellis between the frames the following bars have to be created:
  • 2 strips 2.5 x 6.0 x 26.0 cm
  • 2 strips 2.5 x 6.0 x 35.0 cm
  • 2 strips 2.5 x 6.0 x 52.0 cm
  • 2 strips 2.5 x 6.0 x 60.0 cm
  • 2 strips 2.5 x 6.0 x 76.0 cm
  • 2 strips 2.5 x 6.0 x 85.0 cm
  • 2 strips 2.5 x 6.0 x 105.0 cm
  • 2 strips 2.5 x 6.0 x 110.0 cm
  • 2 strips 2.5 x 6.0 x 126.0 cm
  • 2 strips 2.5 x 6.0 x 136.0 cm
  • 2 strips 4.5 x 7.0 x 147.6 cm for attachment to the planter
  • stainless steel screws
Build frame for the trellis

Herbs in the plant box

The two outer frames of the trellis are made up of 2 strips each with lengths of 120 cm and 100 cm. On one of these two frames you screw the smaller frame with a width of 3.0 cm so that the outer edges of both frames are flush with each other. In this way, you create a contact surface for the grid construction inside. For this purpose, it is necessary to push the inner frame (shorten), so that the crossbars come later to a length of 114 cm and the vertical slats to a length of 100 cm.
Instructions for frame corner joints
The secure connection of the frame corners should be the biggest hurdle for most DIY enthusiasts.Since the trellis will not be subjected to loads weighing several tons, the simplest variant of a frame corner joint is considered: the overlap. How to do it right:
  • Saw off each half of the frame thickness and frame width
  • The resulting compound is glued with wood glue
  • Additional stability is provided by pins or screws
Alternatively, a dowelled connection is possible. Here, the frames can be gedumpfged either dull, with or without pins. It is important to note that the drill bit works precisely when drilling the dowel holes and does not run. Otherwise, when assembling the frame threatens a skewed position, which is difficult to compensate.
Build trellis
Now construct the grid by placing the 2.5 cm thick and 6 cm wide strips in the frame and cut to the appropriate length. On the first layer you cross over the second layer. Where the two last layers overlap, mark the points as precisely as possible, because here you saw out the marked pieces of wood in such a way that a stable cross connection is created. To do this, adjust the marked slats so that they can be worked with a fine saw. A perfect notch is exactly half as deep as the wooden slat is high. The width of the notch corresponds exactly to the width of the slats. Now all strips can be joined together to form the desired lattice framework, clamped between the two frames and screwed. The third frame can now be put on and fixed with the stainless steel screws.
Attach the trestle to the planter
To connect the trellis and the wooden vessel, the two strips with the dimensions 4.5 x 7 x 147.6 cm are now used. Screw these strips to the wide side of the box so that the lower edge of the strip is flush with the lower edge of the planter. Between the two fixing slats, the trellis is inserted so that the upper edges are also flush. With these dimensions creates a distance between planter and grid of 10 cm. If you want a greater distance, the length of the strips should be changed accordingly.
A planter with integrated trellis creates a decorative eye-catcher on the balcony, the terrace and in the garden. At the same time, this variant serves as a practical as well as natural blinds or contributes to the greening of facades, where the ground is sealed or paved. Handcrafted hobby gardeners can not resist to create this construction by hand. This DIY guide will show you how to build a bespoke planter with a trellis yourself. The dimensions mentioned here may serve as orientation and are to be adapted individually. For an extra portion of stability provide the total of 3 frames. The two outer frames are the same size and clamp the trellis, while it is firmly clamped in the third, smaller frame.

Video Board: How to Build a Trellis Planter.

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