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Are Polytunnels Worth It?

Are Polytunnels Worth It

If you are thinking about investing in a polytunnel, there are several factors you should consider before making the purchase. These include cost, size, and possible pest infestation. If you want to get the most bang for your buck, invest in a polytunnel with a wood structure.

Investing in a polytunnel

One of the biggest benefits of a polytunnel is that it allows you to grow your crops in an enclosed environment. This means that you can control the growing temperature and avoid damage to plants. Investing in a polytunnel can also be a great way to extend the growing season. A polytunnel is also a good choice for commercial farming. By extending the growing season you can increase your crop yields.

Polytunnels also allow you to grow a wider range of crops than you would be able to grow outdoors. However, they can be quite warm, so you need to ensure that there is sufficient ventilation. A polytunnel’s frame can last for several decades, but you’ll have to replace the cover and glass windows every five to ten years. Proper ventilation is a must if you want your crops to thrive.


Polytunnels are one of the most inexpensive methods of covering a garden. A basic 2.5m x 2m polytunnel will cost less than PS50 delivered. That is about the same as the size of an 8ft x 6ft greenhouse. By comparison, the cheapest greenhouse will set you back over PS200.

Polytunnels are much more flexible than greenhouses, making them a more flexible alternative. Moreover, they are cheaper, and you can easily customize them to suit your growing needs. Furthermore, polytunnels are easier to move, and they can be installed even on uneven ground.


There are several sizes of polytunnels available in the market. The first thing to consider is the size that you need. A smaller polytunnel may not be the best option for you, since the cover may not be durable enough. Larger polytunnels may be the perfect choice if you need a large space for growing a variety of crops.

The cost of operating a larger polytunnel isn’t much more than that of a smaller one. Moreover, it’s possible to use the space inside for other purposes, such as potting benches and storage for garden equipment. Experts also recommend not buying polytunnels that are too long, as they will be left with wasted space.

Pests that can infest a polytunnel

Pest control for polytunnels is a simple process. The main aim is to prevent bugs from entering. You can do this by avoiding certain types of plants and by taking measures to prevent infestation. The most important thing is to be diligent and active.

Poor sanitation is another risk factor. Dirt, debris and even water left lying around may attract pests. Shore flies are a recurring problem, while spider mites can breed on old plants. Proper watering can reduce the population of pests, but excessive watering can also cause problems.

Goods to grow in a polytunnel

A polytunnel is a useful growing space for extending the growing season. Plants grow faster and mature sooner in a polytunnel than they would in the open air. This can lead to earlier sowings and harvests. In addition, polytunnels are ideal for winter cropping, plant propagation, and bare-root transplant raising.

All sorts of plants can be grown in a polytunnel. In fact, over 80 per cent of soft fruit is grown in them. When planning your polytunnel layout, remember to position the polytunnel to face north rather than south to avoid direct sunlight. Usually, a polytunnel will hold two rows of raised beds. These make it easier to maintain good soil structure.

Value for money

When buying a polytunnel, it is vital to consider the value for money you’re getting. This can vary significantly between different brands. However, the most important thing to look for is a durable cover. A cheap cover will split easily and not last for many years. Ideally, you should buy a polytunnel with a five-year warranty. The warranty period will depend on the material used for the covering and the quality of the polythene.

It is also worth considering the size of your polytunnel. A large one can provide more space for planting and storage. But keep in mind that a large polytunnel may be a waste of space if you plan to use it only for growing plants.