Are poly tunnels any good?

Polytunnels are wonderful structures and good value compared to greenhouses. I have used polytunnels since 1983 when I bought 3 of 18×55 feet (5.5x17m) and they served me well except that their 1in/2.5cm tubes were too thin for my exposed site.

What are the disadvantages of Polytunnels?

Disadvantages of polytunnels compared with glasshouses

• Tunnels are often colder inside than outside during a frost.
• Harder to shade than glass eg with spray-on shade treatments.
• Are more storm-prone in extreme weather .. especially the plastic blowing away.
• Additional periodic cost and labour of plastic replacement.

What is the best polythene for Polytunnel?

Super White Polythene This film is most useful where sun scorch is a problem for growers. It is also suitable for animal husbandry applications and other stock and storage houses where a great build up of heat is not ideal.

What can you grow in a poly tunnel UK?

Autumn and Winter Vegetables

• Radish. These are a popular choice for growing during the winter, due largely to their fast four-week harvesting period and can be sown as late as October.
• Turnip. Turnip can be sown and planted during early autumn, ready to be picked in winter.
• Carrots.
• Garlic.
• Broad Beans.
• Kale.

Do polytunnels need full sun?

A polytunnel must be placed so as to make full use of the sunlight on offer. This means it cannot be positioned anywhere that does not offer enough sunlight each day. Avoid placing a polytunnel in a position where it is shaded by surrounding trees or buildings and think about how and where the sun hits it each day.

Are polytunnels warmer than greenhouses?

Heat retention: Greenhouses often require more heat during the winter months, whereas a polytunnel covered with a Thermal polythene and without the drafts of a greenhouse, can help if you’re considering over-wintering crops.

What can you not grow in a polytunnel?

What Shouldn’t I Be Growing in My Polytunnel?

• fruit trees that are likely to grow higher than the polytunnel.
• plants with thorns that could damage the interior of the polytunnel.

Can you grow veg all year round in a polytunnel?

One of the best things about a polytunnel is that with a polytunnel you are not as restricted by the winter weather and can harvest crops from the protected space throughout the whole year. But when it comes down to it, anyone can grow food in a polytunnel all year round.

What is the Gardman polytunnel made of?

This Gardman Polytunnel has been designed to be quick and easy to assemble and provides you with a huge protected space for your plants. Steel Framework – Strong 1″ diameter tubular steel frame with a black, powder-coated, weatherproof finish.

What are the dimensions of the polytunnel?

6ft 7in wide (2m). 9ft 10in long (3m) . 6ft 3in high sloping to 3ft high straight sides (1.9m/0.9m). For maximum stability the polytunnel comes complete with guy ropes and pegs. Please note that all prices and descriptions on this site are believed correct but should be confirmed on the retailer’s site prior to order.

Should I keep the front of my polytunnel closed?

A few weeks later, having kept the zipped front closed to keep the warmth in, plants are growing well. Started to keep the front open to enable pollinating insects to do their job. Now virtually having to beat the gourds back with a stick to get in the polytunnel.

How is the polytunnel surviving the wind?

Quick update on how the polytunnel is surviving. SIgns of wear at just about every point where there’s any friction between cover and frame caused from the wind. The webbing which strengthens the plastic is holding but the plastic is wearing away at friction points.