These polytunnel covers are slightly more opaque and do not allow as much light in. They create shady conditions inside the polytunnel which are suitable for shade-loving plants. Different styles of polytunnel are available depending on your needs. The following features may be worth looking out for: Doors Regardless of polytunnel size, choose a frame made from galvanised steel . This is hardwearing and rust resistant. A polytunnel is a great choice if you want to get plants out of the ground and into pots and bags with plenty of heat. You can use polys all year round, too. Take good care of the best polytunnel systems and you might get five years, 10 years, maybe even 20 years out of them!

Ventilation: The six windows can be opened to allow for air flow, which is essential for preventing mold and promoting healthy plant growth. If you want to grow plants or vegetables at home but are struggling with heat and weather, a polytunnel may be just what you need. The materials used to make your polytunnel are also an important consideration to factor in. Firstly, it is essential that the frame of your polytunnel is sturdy, as without a frame your polytunnel will be pretty useless. This means that you should ideally be looking for a steel framework, which ideally will be galvanised or powder coated for extra protection. All in this article are at least that standard with theI like the zips and ties to hold your doors. It’s a pretty hard ask – to get much more for your money, this things less than a decent lunch and a bottle of wine. In terms of weather resistance, the frame stands up well to strong winds and turbulent weather, although it will likely need weighting down with stakes (which aren’t included). The PE cover is relatively resilient as well, but it does have some weaknesses.

Green polythene absorbs a lot of the red-light spectrum. As a result, it’s particularly beneficial for plants which thrive in green-light spectrum conditions. Fleece Zip doors can also work well, but the zips don’t tend to be very robust. They can break easily. Ventilation

With this in mind, another consideration to bear in mind is the influence of the polytunnel’s height and length on their overall size. This is specifically relevant to the type of crops you are looking to grow. If you need a polytunnel which will house taller plants like fruit trees, then height will be a super important factor in your search. If, however, you simply need a polytunnel to grow vegetation such as carrots, cabbages and lettuce, then height won’t be an important factor and you would be better off conserving height and increasing the length of your polytunnel. The polytunnel does, however, have to be tall enough to fit you – otherwise who will see to your precious veg?! Materials You’ve got your 6 roll up vents, they are definitely needed along with opening the door on the hottest Summer days, overall this is a real bargain. Pros: While a little smaller than our two choices of polytunnel above, this doesn’t mean the Outsunny 270 isn’t any good. Far from it – it’s brilliant if you are looking for an easy polytunnel set up that you can be really flexible with across all weather conditions. Increased growing space: The 3m x 2m size provides ample space for a wide variety of plants, and the walk-in design makes it easy to tend to your plants and access them when it’s time to harvest. Polytunnels are fantastic investments if you really want to sample the greenhouse experience for less. Ideal if you have limited or temporary space, or if you are really short on the budget side of things, we can recommend a variety of tunnels to help you make the most of your veg and crops.

Overall, this polytunnel is considered relatively good value for money, given its size and strength. It can withstand reasonably high winds and there are plenty of Velcro straps to attach the cover to the metal frame. There’s no anchor kit provided, so a weighted system will need to be devised separately. Make sure you don’t do the frame sides up tight, slide the canvas over the hoops first so there’s more play – this is going to almost certainly save you from damaging the cover as a result of it being too tight to pull over. This 3m x 2m walk-in polytunnel is a great addition to any allotment garden, allowing you to extend your growing season and protect your plants from the elements. Let’s start with the construction of this greenhouse. It’s made of sturdy, rust-resistant steel tubing that’s designed to stand up to the elements, with a durable, weather-resistant cover that will keep your plants safe and dry.Protect plants from the elements and give them plenty of room to grow with the VonHaus Deep Walk In Greenhouse. VonHaus Polytunnel Greenhouse 3m x 2m - Walk-In Pollytunnel Tent with Steel Frame and Steel Frame Door Of course, the way you use your polytunnel is totally up to you. If you wish to use it in the place of a shed, therefore simply as an outdoor storage space, then that is your prerogative.