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Are Polytunnels Good Or Bad?

Are Polytunnels Good Or Bad

Polytunnels are a great way to grow crops in a cold climate. They’re attractive, easy to erect, and durable. However, they can be costly. So how do you choose the right type? Here are a few things to consider before purchasing a polytunnel.


Polytunnels are an ideal place for growing your crops, especially if you live in a cooler climate. They are made of polythene film, which allows about 90% of the natural sunlight to penetrate the structure. The material is also semi-opaque, which diffuses light and prevents plants from shading each other. The air inside a polytunnel is warmer than the outside, but it does not fluctuate as much as the temperature would be outside.

Polytunnels are larger than greenhouses, and can be used to grow a number of crops to maturity. They are also useful for growing plants that can’t grow in outdoor conditions. They can extend your growing window and allow you to grow multiple crops during the year.


When buying polytunnels for your garden, there are several things to consider. Firstly, you should choose a model that can handle the elements, such as wind and heavy use. Also, choose one that is easy to set up. If you are buying a pre-made model, it is a good idea to learn how to put it together yourself. This will save you money over hiring an expert.

Another important factor to consider when choosing a durable polytunnel is the material. The best material for a polytunnel roof is a waterproof, tear-proof material. The polytunnel door and window systems should also be well-sealed.

Easy to put up

Polytunnels are a versatile and cost-effective way of extending your growing space. They offer variable ventilation and a warm, protected environment for nearly any type of vegetable. They can be used anywhere in your garden, and can be easily pushed into the soil as required.

Before you begin putting up your polytunnel, read the instruction manual carefully. You will need a step ladder to reach the ceiling poles, and a garden spade for digging the trench around the tunnel. Digging the trench is relatively easy and requires minimal DIY knowledge.


The initial investment in polytunnels may seem expensive, but the benefits far outweigh this expense. A polytunnel can be used for many purposes, including soil fertility management, crop nutrient management, and even pest control. They can also be used to grow food indoors and can even be used as vertical gardens.

Polytunnels can also be used for other purposes, like reducing the carbon footprint of a home. If you’re thinking about buying a polytunnel for growing your own vegetables, consider the carbon emissions involved in transporting your produce.


Pests and diseases in polytunnels can be a concern for gardeners. Some pests are harmless and others can be damaging to your crops. Some pests leave behind a sugary residue that attracts sooty mold. To discourage these insects, you can water your polytunnels regularly or use an organic mulch. Insect repellents such as cinnamon, cayenne, or salt can be used in the polytunnels.

In one study, the presence of honeybees was significantly higher on polytunnel edges than in the middle. In contrast, the number of non-honeybee insects increased significantly when polytunnels were installed in raspberry gardens. The authors note that the presence of these insects might be explained by differences in insect species.

Visual appeal

Polytunnels are part of sustainable food delivery and soft fruit farming. They can be movable or permanent and are attached to the ground. If they are permanently fixed, they require planning permission. However, smaller ones can be erected without a planning permission. The law recognises their agricultural use, so smaller ones need not seek planning permission. However, there are several considerations to take into account if you are considering polytunnels as part of your business plan.

Firstly, consider the visual impact of the proposed development. Many planning policies detail the need to respect landscape character. If the development of polytunnels alters the landscape, it can detract from its character. It is therefore crucial to consider how a polytunnel development will affect the landscape.