The top 3 recommendations and buying guides

Our recommendations

That Cold frame is characterized by its considerable size and, at the same time, surprisingly low weight. This is due to the successful combination of the metal frame and the PE film, which lets plenty of sunlight through to the plants. Most of the Amazon reviewers are very positive about the mini greenhouse. Thanks to the plug-in system, it should be quick and easy to assemble. According to the manufacturer, the roofs of the cold frame can be opened and closed without any problems - for optimal ventilation of the greenhouse.

With the special single cold frame from Gartenpirat, it is primarily the elegant appearance that inspires, because the The frame of the small greenhouse is made of real Douglas fir and is therefore wonderful Naturally. However, this plus point has one disadvantage: the cold frame requires more maintenance. It is best to paint the wood with a suitable wood stain so that it does not turn gray and unsightly over time. The kit, in which the side elements and window frames are already pre-assembled, is practical. Screwing the individual parts together is usually not a problem for the experienced do-it-yourselfer.

The cold frame of Gartenfreude is the simplest and cheapest model in our comparison. It consists of a light and robust metal frame combined with a tear-resistant PE film that you simply throw over the frame. Several reviewers on Amazon recommend securing the foil in the ground with tent pegs or similar utensils so that the mini greenhouse is not blown over in stronger winds. The handling seems to be good, the price-performance ratio excellent. With its light weight, low costs and particularly simple handling, this relatively large plastic greenhouse is ideal for beginners.

Purchase criteria

Art

Single cold frame: A so-called single cold frame always has only one roof that slopes slightly forward.

Double cold frame: A double cold frame has two roofs sloping slightly towards the front (one sloping to the left, the other to the right, classic house look).

Frame material

wood: A wooden frame is particularly robust and optically the better choice, as it blends harmoniously into the garden. However, a frame made of wood weighs heavier - in the truest sense of the word.

aluminum: The light metal aluminum has a significantly lower weight compared to wood. In addition, an aluminum frame can generally be constructed using a very simple plug-in system. Only the not quite as pronounced stability and the generally functional appearance speak against an aluminum frame.

Plate material

Glass: Cold frames with glass plates are fascinating because of their elegant appearance and - if the glass is not structured - also because of their ease of care. In general, it is sufficient to clean the glass plates with a soft sponge and water with washing-up liquid - but be careful, otherwise the glass is in danger of breaking. This brings us to the greatest disadvantage of this sheet material: If there is a break, which is easily possible, there is a risk of injury from the broken pieces. In addition, glass plates are often very heavy.

Polycarbonate: As with "large" greenhouses, polycarbonate is also the most popular material for small cold frames. This is due to the convincing features of the special plastic: It is lightweight, particularly weather-resistant and unbreakable. In addition, polycarbonate has a high level of light transmission and insulating properties - properties that promote plant growth. To prevent the panels from yellowing, they must be cleaned thoroughly on a regular basis.

Plexiglass: The technical term for plexiglass is polymethyl methacrylate. This plastic basically looks like polycarbonate, but some of its characteristics are different from those of its "brother". Plexiglass is similarly lightweight, translucent and insulating. In addition, the material is insensitive to scratches and does not yellow even after years of use. Compared to polycarbonate, polymethyl methacrylate is a tad cheaper, but it is also a bit more weather-prone.

Foil greenhouse: A mini greenhouse with foil is particularly light as well as very mobile and inexpensive. But: The film usually does not have a very long service life. However, it can often be replaced easily and inexpensively if it is damaged. If you are looking for a particularly inexpensive solution for effective young plant cultivation, you will make an excellent choice with a foil greenhouse. Visually, of course, it cannot compete with glass, plexiglass or polycarbonate cold frames.

size

If you have already gained experience with (mini) greenhouses or with growing plants, you can certainly estimate how much space you will need in your new cold frame to store all the plants accommodate. We advise beginners to choose a medium-sized and inexpensive model. Tip: A cold frame with several levels does not take up more floor space, but takes significantly more pots. The usable area of ​​cold frames is generally between 0.5 and 1.25 square meters.

Assembly

Most cold frames that you can buy in stores can be assembled quickly and easily - even without prior knowledge or technical talent. If you lack both, you should specifically use a kit for a mini greenhouse that you can set up quickly and easily using a plug-in system. A little tip: a tall and narrow cold frame can tip over easily. To prevent this, you should attach it to a wall to be on the safe side.

handling

The cold frame should be as light as possible and easy to assemble and transport. In addition, quick and effortless cleaning as well as convenient handling are beneficial to create ideal growth conditions for the young plants in the mini greenhouse. The main part of this handling is that you can easily open the roof window of the cold frame in order to ensure optimal air circulation in the box. It is ideal if the opening angle of the roof can be adjusted continuously.

frequently asked Questions

What is a cold frame for?

A cold frame is a kind of mini greenhouse in which you can on the one hand Grow young plants and vegetables and on the other hand can cultivate sensitive exotic species. Some also use a cold frame as a turtle enclosure.

How is a cold frame set up?

Cold frames each consist of a frame and several transparent plates. They typically have one or two roofs sloping slightly forward. The trade has versions in various sizes available. There are also differences in terms of the materials used for frames and panels.

Where is the best place to buy a cold frame?

You will usually find what you are looking for in a well-stocked hardware store or garden center, both offline and online. As is often the case, the easiest way is via Amazon, where you can choose from numerous cold frames. At the popular mail order company, you can enjoy an uncomplicated ordering and return procedure. With the right materials, you can get your Instead, build your own cold frame.

How much does a cold frame cost?

Cold frames are available from around 28 euros. The spectrum goes up into the low three-digit range. Basically it depends on the manufacturer, the size and of course the materials and the processing quality how much a cold frame costs exactly.

Where should I put my cold frame?

Choose a place that is as sunny and sheltered as possible for your cold frame. Orient the mini greenhouse to the south. In this way, you can even grow insensitive crops in late winter. During the summer months, we recommend that you apply shading foil to the cold frame at lunchtime so that it does not overheat and your plants are not damaged.