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A polytunnel is a fantastic way to grow vegetables, flowers and herbs that need to stay a little bit warmer. A polytunnel is like a larger version of a greenhouse; it’s a much warmer environment than outside, and it is usually a larger space than a greenhouse so you won’t have to worry about overcrowding. Although it’s a cheaper option, this Garden Point Polytunnel remains relatively robust and sturdy. It can cope with higher winds, and with being placed in allotments that aren’t particularly sheltered. Nevertheless, as with most polytunnels, there are still some customer reports of it tearing in the wind, and additional weights or stakes are required to secure it to the ground. Made with a heavy duty PE synthetic cover in classic green with extra-long sides and powder coated tubular steel frame, the polytunnel protects your plants against harsh weather Primarily, the cover is only held on to the frame using six pieces of Velcro, and there is no way to secure it to the frame in the middle. Therefore, it may be necessary to engineer additional ways to attach the cover to the frame when it arrives.
The plastic mesh cover features three roll-up doors, allowing you to access the crops within the tunnel, whilst also allowing you to zip them down and secure them closed when you are not tending to your crops, meaning maximum protection for your plants and vegetation. So how is this beast constructed? Good question. The frame comes in four huge hoops with one swinging door at the front of the tunnel. The frame is made from a rust-resistant tubular steel, powder coated to enhance the frame’s overall strength and extend its lifespan. Unlike the other polytunnels we have looked at so far in this review, the VonHaus polytunnel frame is connected by screws and bolts and not plastic attachments. This feature works hard to reassure me of the sturdiness of the polytunnel, however it does of course make constructing the product that little bit harder. Despite saying this, with all of the assembly parts included, in addition to clear instructions to help the user, the assembly of this product is surprisingly easier than you would expect – plus once you’re done assembling the tent you will have a structure the size of a shed, so the assembly process is bound to be a little longer than that of VonHaus’ smaller counterpart polytunnel. 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 the More cost effective than greenhouses. Opting for a polytunnel over a greenhouse should work out a lot cheaper. Polytunnels can also be erected on soil bases, and they are relatively easy to put together.Steel Frame – robust metal frame is built to last with a powder coated finish for added durability. However, greenhouses can sometimes be pretty pricey on the whole, and what’s more, they can be a lot of work to set up. There are plenty of great reasons why you should look for high quality greenhouses if you are serious about making a go of growing at home. However, many people find polytunnels a more appealing alternative – and good value, too. When it comes to fabric, clear polythene is great if you want to let a lot of light into your polytunnel . It provides greater transparency compared to coloured plastic fabric or fleece. Choose a fleece tunnel over polythene if you want plants to receive natural irrigation from the rain . Steel Frame: The large poly tunnel's galvanised steel frame is solid and rust resistant. For more stability, 4 included wind ropes should be tightened and fixed on the ground by 4 ground stakes
Assembly is simple, with a manual that is clear and concise, as well as a design that fits together logically. At least two people are needed to put it together, to help ease the cover over the frame and avoid it catching on the bolts. Some polytunnels have air vents/’windows’ on the sides, which can be opened or shut depending on the weather. Additional Sections 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.Garden Point Green Polytunnel – bit of a tear on the corner – is there anything duct tape won’t fix? 😀 The semi-transparent PE cover is mounted over a powder-coated steel frame. Plastic joints connect the poles together to make assembly easier. Putting it together is relatively straight forward but requires some common sense, given that the instructions are not overly clear. As all gardeners know, you’re able to grow vegetables, fruit, flowers and more all year round. However, if you are looking for your first tunnels to buy, or are completely new to polytunnels and polythene covers, you’d probably be forgiven for thinking that you need a specific tunnel for a specific season.
Keeping your plants at the right humidity can be a nightmare unless you really know what you’re doing. Thankfully, top polytunnels and designs will help you to fine-tune this. You can easily vent tunnels to let air in as and when you need, and what’s more, you should be able to monitor the temperature inside your enclosure so that your greens get neither too warm nor too cold. To add extra support the corners have got a lower cross brace, this is definitely needed on such a large area – the metal rungs or hoops if you prefer are broken into one metre centres and you’ve got the standard screw type bolts that will keep it all taunt no problem – this is pretty much ideal as allows 6 window slots all the way along. The 2.5m is pop riveted together which makes life all the simpler and is a no tool assembly. Ideal for propagating seeds, raising seedlings and cultivating plants, the VonHaus Deep Walk In Greenhouse offers protection from frost, cold and pests. That’s why it’s a really good idea to take the time looking for a polytunnel that’s going to suit your long term use. Got a decent idea of what you’d like to grow? Then keep your eye out for the best tunnel for the job. What Are You Able to Grow in a Polytunnel?One of the main benefits of having a polytunnel is being able to control the environment that your plants and produce are growing in. It’s suitable for gardeners with medium-size plots, as the tunnel itself measures 3 x 2 x 1.9 m. Although it is not as high quality as some more-expensive models, it still strikes a good balance between size, price and quality. I 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.
This is one of few polytunnels which also offers you a nice, variable humidity and vent system, meaning that depending on the crops you are cultivating, you will find it easy to switch up the humidity level and to let fresh air in and out. This is a polytunnel product that is long and thin with hoops built into the design. 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 There are a couple of ways you can reinforce your polytunnel to make it stronger and more resilient against the elements (particularly against the wind). Adding Crop Bars/Bracing
Key Features and Considerations when Purchasing Polytunnels
Warmer growing environment. Polytunnels are noticeably warmer than the outdoors, especially on sunny days. The warmer temperatures mean you’ll be able to grow crops you wouldn’t normally be able to in the UK, and you can also grow year-round with the use of a heater. In winter, polytunnels can help protect plants from frost. 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! Range of sizes. Polytunnels come in a huge range of sizes, so whether your allotment is large or small, you should be able to find a model to suit.
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