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What Is Better Polytunnel Or Greenhouse?

What Is Better Polytunnel Or Greenhouse

When deciding which type of greenhouse to purchase, you should consider the temperature you want to keep your plants at. The temperature inside your greenhouse should not exceed 85 degrees Fahrenheit. You also should take into account the ventilation of your structure. The better ventilated your structure is, the better your plants will grow.

Foil tunnels

Growing plants in a polytunnel or greenhouse is an excellent way to extend the growing season. Many crops that are not suitable for the outdoors are grown well in them. In addition to vegetables, you can also grow fruit and flowers in them. This means that you can reap the rewards of your hard work later in the year.

You can purchase a cheap polytunnel kit from a garden centre. Alternatively, you can build your own structure using bamboo poles or old tent poles tied together and plastic sheeting. You should make sure that you water the plants regularly and ensure the structure is level. Once the plants start to grow, you may wish to upgrade to a bigger structure to increase your yields.

Polytunnels and greenhouses both require adequate ventilation. During the summer, excessive sunlight can cause the plants to burn. In order to avoid this problem, you can install a roof window or flaps on the end of a polytunnel. You should also remember that heating the structure would negate the environmental benefits.

Lean-to greenhouses

Polytunnels are more practical than lean-to greenhouses. They are free-standing structures made of polyethylene sheet stretched over a semi-circular frame. Polytunnels can be adapted to your specific needs, from rainwater collection to automatic window venting.

While polytunnels are cheaper, lean-to greenhouses are less affordable. In addition, lean-to greenhouses do not need glass on their north side. This is a good advantage, as they can be situated adjacent to your house. This way, they can provide warmth and insulation.

Polytunnels can be expanded or contracted. However, they are prone to damage. Lean-to greenhouses are more flexible and can easily be expanded. Polytunnels can also be fitted with HVAC systems. They can also be fitted with shelving and staging, which can help keep plants comfortable.

The benefits of polytunnels and lean-to greenhouses are similar. Polytunnels are cheaper and easy to set up. However, greenhouses are more costly. A decent polytunnel will last you for at least ten years. But with some care, you can expect a lean-to greenhouse to last much longer.


Polytunnels have a number of benefits compared with glasshouses. They are easier to move around, are much cheaper to build and maintain, and require little preparation. They are also easier to repair. In addition, polytunnels require only replacement of the polythene cover every seven to ten years, which means that you can save money on the material.

While glasshouses tend to have more air circulation and are ideal for growing delicate flowers, polytunnels are often more humid. The glasshouses’ numerous draughts and tiny chinks cause air to change more frequently than the polytunnel’s small air channels. The polytunnel can be positioned close to the house for better ventilation.

A polytunnel can be constructed against a garden wall or even the outer wall of the house. In addition to enabling a more natural growing environment, polytunnels can also be used to grow multiple crops. Compared to a greenhouse, a polytunnel can extend the growing season of a variety of crops.


Polytunnels are made from galvanised steel hoops and are less expensive than greenhouses. They can be easily moved from one location to another and require a smaller investment. Moreover, polytunnels require less maintenance. The polythene used for construction should be replaced every seven to ten years. In addition, they come with all the necessary accessories.

Moreover, polytunnels are able to grow multiple crops to maturity. This makes them ideal for growing crops normally grown outdoors. Polytunnels can also be used to extend the growing season. If you are starting your first season of gardening, a polytunnel will be more suitable for your needs.

Polytunnels require much less maintenance than greenhouses do. However, a polytunnel is prone to degrading after a period of time, and it may be a major project to replace the entire cover. In contrast, greenhouses have a greater amount of glass which can last for years. Polytunnels, on the other hand, need periodic cover replacements. Polytunnels are also more flexible, so you can customise the structure to suit your needs.