Greenhouse: Possibilities and tips for greenhouses in the garden

Greenhouse made of aluminum
Aluminum greenhouse with foundation exposed to the weather

Advice: Set up the greenhouse in the garden

Own cucumbers and tomatoes, salads or chilli? Own vegetables are usually not only much healthier, the hobby garden can also save you some costs for fresh vegetables. So if you have your own garden or allotment, sooner or later you may be asking yourself whether such a warm house is worthwhile for you. Or you want a greenhouse and don't really know what for? What size should it be, which material is most suitable, whether a prefabricated kit is better than DIY? You can find out whether you need a foundation and which accessories turn out to be useful in our greenhouse guide. - Greenhouse: possibilities and tips for your greenhouse

Recommended reading: Lots of guides on different topics .!

Greenhouse - in comparison

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What is a greenhouse for?

Glass house

Depending on the size, you can Glass house not only get you through the vegetable year well - it is also suitable for wintering and growing different plants. Species of cabbage such as kohlrabi or broccoli, salads and leeks can be wonderfully preferred in a greenhouse before they can be brought outdoors after the ice saints. Chilli, tomato and cucumber, for example, like to stay in the house all year round, while heirs and potatoes as well as carrots and onions are absolute goers.

The more vegetables you can grow yourself, the less you have to buy. And much of what is left of the kitchen can be brought back to life. It starts with a sprouted potato, leeks can be harvested again and even dried corn can be planted. So two things are worth it: saving costs and growing delicious vegetables without chemicals. It tastes a lot better.

Greenhouse what size?

To determine the ideal size for your greenhouse, you should be roughly aware of how much of which plant you want to grow. Tomatoes and cucumbers take up a lot of space - you might not need 10 plants for that either.

The height is also important - after all, you don't want to crawl in it with a crooked back and if the house is high enough you don't have to cut the tomatoes so early. Sometimes they shoot and literally go through the roof.

Hanging shelves can be used for growing - this saves space. 14 sqm garden shedwhich at least 1,60 cm high is enough on average to add a few treats to a family of four. Shelves for greenhouses

** Too many tomatoes or other vegetables? Everything you need to know about boiling down can be found in our Preservation guide **

Greenhouse material

When you buy a greenhouse, you don't really have a choice when it comes to the frame material, which in most cases is for Aluminum greenhouses. This is stable, but can still be processed easily. It is durable and long lasting. It is often very humid in a greenhouse - aluminum can withstand this without rusting.

Another option is Acrylic : This does not have to be deleted either, but it is not as high-quality as aluminum. So if you can choose the frame, choose aluminum.

But what about the covering?

Glass greenhouse

Glass is and remains a classic. It is easy to clean and the sun cannot bleach or damage glass. In addition, glass shines beautifully in the garden - glass looks very noble when it is cared for. However, glass is heavy: until at 20 kg / m² can be included.

KINGLAKE 100 pieces greenhouse Z clips brackets for ...
KINGLAKE 100 pieces greenhouse Z clips brackets for ... *
Length: 13 mm; Width: 0,85mm; Depth of overlap: 0,5 mm .; Package contains: 100 x Greenhouse Overlap Z-Clips.
Zelsius greenhouse clamps glass clamps clamps for ...
Zelsius greenhouse clamps glass clamps clamps for ... *
50x greenhouse clamps glass clamps, clamps for greenhouse; EXTENSION OR REPLACEMENT: Holding clamps for greenhouse glazing

Single glass

Even if the sun cannot damage the glass, soccer balls do. Glass is also not flexible - if the greenhouse surface moves, the glass may crack. Falling branches in a storm? This can also destroy a single glass. Other disadvantages: Glass alone hardly insulates at all, but a single glass greenhouse heats up enormously in the midday heat.

Only pull vegetables from spring and summer? Then a single glass greenhouse is sufficient. It can also be upgraded with a little effort: Special heat protection nets help against the midday heatIf you want to protect insensitive plants in winter, you can, for example, help yourself with insulating film or dimpled film. It doesn't look that nice, but it does the job.

safety glass

The next stage: safety glass. Now soccer balls and falling branches are becoming uninteresting, as is hail. The glass is a little more expensive, but it can be worth it. You don't need to replace a glass. The Light transmission is almost 100% given, despite 3 mm thick discs. It is as easy to maintain as normal glass and also looks chic.

insulating glass

Another option is special insulating glass. This consists of two layers of glass, with carbon dioxide processed in the middle. This is complex to manufacture and correspondingly expensive. This is not really worth it for home use and those who only order the greenhouse for a certain period of the year are more likely to shy away from the high costs.

- € 10,09

Plastic greenhouse

In contrast to glass, plastic weighs: almost nothing. It is about five times lighter and therefore has a weight of 4-5 kg ​​/ m². The insulating ability is higher with plastic. The disadvantage: If the plastic is attacked, scratched, rough, dirt and small mosses can settle in it. Blind panes barely allow sunlight through and this damages the growth of the plants. Another important point: the UV resistance! This information can be found at the manufacturers.

Plastic greenhouse 'Smart 34' (259 x 197 x 193) + ...
Plastic greenhouse "Smart 34" (259 x 197 x 193) + ... *
Modular system, expandable at any time; Glazing with double-walled sheets, framed securely and storm-proof

Double and triple-wall sheets

The general rule:

  • Many layers - less light
  • This also applies to the distance between the webs. The closer they are, the less light can pass through
  • Coatings can also swallow the light


Plexiglas has good light transmission and insulates very well. Unfortunately, this plastic is very susceptible to the weather and it may be that the plexiglass has to be replaced after a few years.


Acrylic sheets for the greenhouse are very stable and durable, but swallow 20% light. The older they get, the less light can reach the plants in the greenhouse.

Plastic greenhouse vs. Glass greenhouse

In the comparison, this means:

A Glass house Glass is easy to clean, it is stable and has a high level of light transmission, and it also looks classy. But it is heavy and special glasses are correspondingly more expensive.

The Plastic greenhouse is light, cheap and better isolated. It is sensitive to this and often does not look nice.

Recommended reading: Lots of guides on different topics .!

Greenhouse finished or DYO?

If you want to venture into your own greenhouse, there are of course many more options available to let your own ideas flow into it. Depending on the point of view of the house, the materials and the necessary preparation, a self-made greenhouse does not necessarily have to be cheaper. Here too, for example, wood and greenhouse film, nails and the material for the foundation must be purchased. Finished Foil greenhouses are popular too.

Greenhouse foundation

Greenhouse with foundation
Greenhouse built on a foundation

With or without a foundation? A foundation often not only improves stability, but, anchored deep enough in the ground, can also keep burrowing animals out of the greenhouse. For a glass greenhouse, which is rather inflexible, only the safety should be built. If the house warps, the glass plates can crack under pressure. Soil moves: depending on the dryness or wetness and temperature, the soil works continuously.

Greenhouse accessories

There are some accessories for the greenhouses:

  • Shading nets: If necessary, the nets are simply placed over the greenhouse and can keep up to 60% of the sun
  • Plant holder: Practical plant holders are clamped in the rails of the sides of the greenhouses and tomato plants can now be attached to them, for example
  • Rank network: Trellis nets inside the greenhouse help that the plant can stand on larger areas
  • Irrigation: Irrigation can be built into the greenhouse, making manual watering unnecessary
  • Climbing poles
  • Greenhouse heating to keep temperatures
- € 5,00
Waldbeck Strato - greenhouse heating, ...
Waldbeck Strato - greenhouse heating, ... *
84,99€ - € 5,00 79,99€

Of course there are clips or spare parts to buy.

Buying a greenhouse

What should you pay attention to when buying a greenhouse?

  • Stand: Your greenhouse needs light and the best possible sheltered place
  • How much do you want to grow?
  • Plastic or glass? Both materials have advantages and disadvantages
  • Or would you rather build it yourself?
  • Would you like to overwinter plants in the greenhouse?
  • How much money do you want to spend?

The list is actually very clear!

Greenhouse advantages and disadvantages

What are the advantages and disadvantages of owning a greenhouse?

Greenhouse benefits

✔ You can grow part of your own vegetables yourself
✔ You generally don't need a building permit
✔ You can also use the house to overwinter plants
✔ Or for growing
✔ Greenhouses last for many years

Greenhouse disadvantages

✘ You have to take care of it
✘ It needs a good place
✘ Maybe a foundation

Reading tips: Pool maintenance in the garden - Solar shower in the garden -

Conclusion: greenhouse in the garden

Delicious fresh vegetables - cultivation - wintering. A greenhouse needs a bit of space and then the right one. But it's worth it. For about 400 euros you can get a great greenhouse that will accompany you for the next few years. If you convert that, how much money can you save by growing your own groceries? You can also build your own greenhouse or lay a foundation. If you place your greenhouse directly next to your house, it stays warmer even at sub-zero temperatures and can defend itself against frost. A windless place protects against cooling. Enjoy your garden!

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Greenhouse - Purchase Advisor

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We have one for you List of purchase criteria created. It protects you from mishaps and possible annoyance in the year 2021. Get your knowledge from buyers, friends and the internet. Before you have products on the topic Glass house want to buy, be smart about these and be well prepared. on Honest tests you can find some tests (including pool, Fitness, Home & garden) & How-To (including Smart Home, Beauty, craft) who can help you further.

Your questions that you should ask yourself to find your suitable product.

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  • How To Use Greenhouse Properly!
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  1. I have had good experiences with acrylic glass. Measure the panels, cut them to size and have them delivered. Light transmission top, very light material, easy to process and inexpensive. I can quickly and easily reorder the material in the same quality at any time. We recommend.


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