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What Can You Not Grow In A Polytunnel?

What Can You Not Grow In A Polytunnel

Using a polytunnel can be a great way to grow your own vegetables and herbs. However, there are certain crops, herbs, and pests that you cannot grow in a polytunnel.


Whether you are looking for a little bit of extra growing space or you want to grow more vegetables for your family, polytunnels can help. They can boost your growing season and protect your plants from pests. However, if you are thinking about using a polytunnel, you should be aware of the crops you can’t grow in one.

Most vegetables grow well in a polytunnel, but you should choose the ones that will thrive in the polytunnel environment. For example, runner beans are a great crop to grow in a polytunnel, as they are warm climate vegetables. You can also grow herbs in a polytunnel, because they will be protected from the elements.

If you’re looking for a quick salad, you can try planting rocket. Its peppery taste and quick growth make it perfect for sowing in the late spring or early autumn. It also makes a great ground cover in winter.

If you want to add a bit of Middle Eastern flavour to your garden, figs are a great choice. They are hardy enough to survive in a cold climate, and their succulent fruit is delicious. They can be grown in large pots or in a polytunnel, if you have access to a sheltered spot.


Whether you’re growing vegetables for your dinner plate or for your own table, there are many advantages to growing your own produce. Not only do homegrown vegetables taste great, they are also a good way to get an understanding of what goes into your food.

Polytunnels are an excellent way to grow vegetables all year round. They allow you to grow different vegetables at the same time, so you can rotate your crops and ensure the best results. Besides, the extra warmth and protection provided by a polytunnel can increase your crop yield.

In addition to the benefits of growing vegetables all year round, polytunnels also offer extra protection from the elements. You can protect vegetables like tomatoes and peppers from the heat and rain. In some cases, you can even extend the growing season.

Depending on the size of your polytunnel, you can grow different types of vegetables. For example, if you have a small space, you can grow cabbage. However, you should consider whether you want to grow it during the winter months.


Whether you are a beginner or an experienced gardener, growing herbs in a polytunnel can be a rewarding experience. Herbs are useful for a variety of applications around the home. They can be used in cooking, medicinally, and for beauty products. They are also an important source of repelling pests and diseases.

The first step is to decide which types of herbs you wish to grow. Some can be planted in the ground while others can be grown in pots.

For a beginner, you may want to try lemon balm. It can be planted in a container, and it is said to help relax nerves.

For an intermediate level, you may consider chamomile. Its properties are said to help increase metabolism and give energy. You can also make herbal teas from it.

You can also grow perennial Mediterranean herbs in a polytunnel. Some, such as thyme, can overwinter outdoors, but it is best to protect it from freezing temperatures.

Climbing French beans are a good polytunnel crop. They can be harvested from late June through late Autumn. Sow the seeds between 5cm and 15cm.


Creating a balanced ecosystem is the key to reducing pests in a polytunnel. By adding natural predators to the garden, you can create an environment where aphids aren’t overpopulated. Using home-made plant sprays can also help deter pests. But, you’ll have to be careful to avoid causing problems in your polytunnel by using these sprays.

Having healthy plants means that they are less likely to suffer from diseases, which can cause them to weaken and die. It also means that your crop will have the right nutrients and water to withstand any pests that try to attack it. You should also check the soil to ensure that it isn’t too moist. If there’s a high concentration of sugar in the soil, that’s a great habitat for pests. And, weeds can hold diseases that can be harmful to crops.

Having a wildlife pond in your garden is another good way to attract predatory insects. Amphibians can be good natural predators of aphids, which can help keep aphid numbers down.