Is it worth buying a polytunnel?

Is it worth buying a polytunnel?

Compared to greenhouses, polytunnel offer really good value. This is especially true if you’re looking for something larger in size, as you get more growth space for your money. The exact same strength of material and ventilation will be provided for a lower price.

What is the best material for polytunnel?

Most polytunnel frames are made of galvanized rustproof steel. This lightweight material is long-lasting – most frames will last up to 20 years. It’s easy to put together, and to store and doesn’t rust.

How long does a polytunnel last?

Polytunnels can serve you well between 15-20 years but the covers need to be replaced every few years.

What is the best orientation for a polytunnel?

north to south
However, if you are fortunate enough to have a choice, the best position for a polytunnel is for its longest side to run from north to south. This will help to avoid excessive heat in summer and generate slightly lower temperatures than East to West orientation where the sun tracks along the length of the Polytunnel.

Is a polytunnel warmer than a greenhouse?

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 is the best size for a polytunnel?

In our experience, an 8ft x 15ft polytunnel is a useful size for growing your favourite crops for the family.

Are polytunnels better than greenhouses?

Polytunnels are so much better value than greenhouses. And the bigger the planting area the more money you’ll save by opting for a polytunnel. Of course, there are exceptions to every rule. The exception here is if you only have a small space.

Should I buy a greenhouse or polytunnel?

A greenhouse is definitely the best option if you want maximum heat retention. They will allow you to grow crops over a longer period of time and help them to successfully grow better if late or early frosts occur. Polytunnels do a good job of heat retention but not as well.

Are polytunnels cheaper than greenhouses?

Purchase price: Polytunnels are generally cheaper and require a smaller investment than greenhouses. Construction time: Depending on the size, greenhouses can take longer to construct. Site preparation: Ground must be level for a greenhouse while rougher ground can be more easily accommodated for a polytunnel.

Do mice eat plants in greenhouse?

Adapted to outdoor conditions, these mice feed primarily on seeds, berries and nuts. In fact, research has shown that they will consume a significant number of weed seeds in crop fields. However, in greenhouses, they will uncover and feed on seeds and very small seedlings in greenhouse pots and trays.

Is a polytunnel better than a greenhouse?

Does a polytunnel need level ground?

Ideally, polytunnels should be put up on level ground with at least 90cm (3ft) of space on all sides, and should be even further from potential hazards such as hedges and ditches. However, very often these ideal circumstances just don’t exist.

How much warmer is a polytunnel?

This is around 5 degrees more than soil outside. This is ideal for the tender plants like sweetcorn and tomatoes as it will warm the air at low level even when it’s cold higher up.

What plants do rats hate?

Plants and herbs known to keep mice and other rodents away include:

• Marigolds.
• Garlic.
• Daffodils.
• Black pepper.
• Rosemary.
• Lavender.
• Onions.
• tomatoes.

How do you rat proof a greenhouse?

Stuff cracks and holes or cover them with wire mesh. Place small mesh hardware cloth around the exterior of the greenhouse at the base. Bury the edge in the ground and bend the cloth away from the greenhouse. Remove grass, weeds, and other vegetation from around the greenhouse.

How do I keep mice out of my Polytunnel?

Keeping snow cleared from around your polytunnel in winter will also help to make it harder and less convenient for voles and mice to make their way inside. Another way to deter mice and voles is to sprinkle some cayenne pepper around your seedlings and vulnerable plants. Peppermint is also said to deter them.