The summer season often poses the question of disposing of broken equipment to the owners of suburban areas. Throwing household appliances into a landfill is not environmentally friendly and is often prohibited by local landscaping regulations. However, by being smart, you can give the unit a second life, turning it into a functional element of landscape design or a useful container for growing crops.
Using the housing controlled environment as a container for plants is a time-tested method that allows you to isolate the root system from pests and create a favorable microclimate. This approach is especially relevant for regions with short summers or problematic soils, where a refrigerator is required for growth controlled environment for growth.
Before proceeding with dismantling the insides, it is necessary to assess the condition of the metal box. If rust has eaten right through the walls, the structure may not last long, but it will be fine for one season. The main thing is to properly prepare the container so that it becomes safe and effective mini-greenhouse or a high bed.
Case preparation and safety
The first and most critical step is the complete removal of all internal components. It is necessary to remove the shelves, drawers, compressor and radiator grille. Particular attention should be paid refrigerant: if you do not have a license to work with freon, it is better to call a professional to safely vent the gas, as some old refrigerants can be toxic or flammable when heated.
⚠️ Attention: Never burn wire insulation or plastic parts inside the housing over an open fire without good ventilation, as toxic substances are released during combustion.
After freeing the insides, the housing must be thoroughly cleaned. Old grease, mold and food debris can become breeding grounds for bacteria, which can negatively impact the health of future plants. It is recommended to wash the inner walls with a solution of laundry soap or a weak solution of a chlorine-containing product, and then dry well in the sun. An important point is the organization of drainage. In natural soil, water goes deep, but in a closed metal space it will accumulate at the bottom, causing rotting of the roots. Therefore, it is necessary to punch several holes with a diameter of 10-15 mm in the bottom of the refrigerator. To do this, you can use a drill with a feather drill for metal or even a punch. chlorine-containing agent, and then dry well in the sun.
An important point is the organization of drainage. In natural soil, water goes deep, but in a closed metal space it will accumulate at the bottom, causing rotting of the roots. Therefore, it is necessary to punch several holes with a diameter of 10-15 mm in the bottom of the refrigerator. To do this, you can use a drill with a metal drill bit or even a punch.
Selecting a location and installing the structure
Installation of a heavy metal structure requires careful site planning. Fridge bed It has significant weight, especially after filling with soil, so moving it will be extremely difficult. It is best to choose flat, non-flooded areas that receive a sufficient amount of sunlight.
Orientation to the cardinal points plays an important role. If you plan to grow heat-loving crops such as cucumbers or peppers, the optimal location is with the long side facing south or southeast. This will ensure maximum heating of the walls in the morning and daytime, which will create the effect of thermal inertia.
For the stability of the structure, it is recommended to slightly deepen it into the ground by 2-3 centimeters or install it on a flat concrete platform. If the soil under the bed is clayey and does not allow water to pass through well, under the bottom with holes you should make a cushion of expanded clay or small crushed stone about 5 cm thick. This will prevent moisture from stagnating at the very base.
Formation of a drainage layer and filling
Proper filling of the container is the key to plant health. Metal walls do not breathe like wood or earth, so air exchange from below is critical. The first layer (approximately 1/5 of the total volume) is laid with large drainage material. This can be broken brick, expanded clay, pebbles or large branches.
A layer of organic matter is laid on top of the drainage. Mown grass, small branches, fallen leaves, or even food waste (if they do not contain meat or fat) can be used. This layer will gradually rot, releasing heat and nutrients, which is especially important for compost beds.
The top layer is fertile soil. It is best to use a mixture of garden soil, compost and peat in a 2:1:1 ratio. Heavy clay soil should be diluted with sand to improve aeration. You should not fill the refrigerator to the very edge, leave 5-7 cm to the top edge so that when watering the water does not wash the soil out.
☑️ Preparing the filler
What to plant: the best crops for vertical beds
Limited space and a specific microclimate dictate the choice of plants. Crops with a compact root system or, conversely, powerful plants that need warmth, thrive in such a container. The high walls protect against moles and mole crickets, which makes the bed ideal for growing strawberries or strawberries.
Heat-loving vegetables such as cucumbers, zucchini and squash will be grateful for the warmth emanating from the heated metal walls. On cool nights, the metal releases the heat accumulated during the day for a long time, creating comfortable conditions for the roots. Also, spicy herbs grow well in such containers: basil, mint, lemon balm.
It is not recommended to plant trees or large shrubs with a deep root system in the refrigerator, as they will be cramped. You should also be wary of crops that require frequent loosening of the soil to a great depth.
| Crop | Recommended volume of soil | Features of care |
|---|---|---|
| Strawberries | 15-20 cm | Loves the sun, requires frequent watering |
| Cucumbers | 25-30 cm | Needs support, plenty of moisture |
| Greens | 10-15 cm | Unpretentious, grows quickly |
| Pepper | 25-30 cm | Demanding about heat and light |
Decoration and modernization
A rusty white box can look unaesthetic, so exterior decoration is an important step. The easiest way is painting. Use special metal paints for exterior use, which will protect the body from further corrosion. You can show your imagination and paint the walls with ornaments or turn the refrigerator into an art object.
If the refrigerator door is in good condition, it can be used as a vertical trellis. Attach a mesh to the inside of the door or string cords along which cucumbers or decorative beans will curl. When you open the door, you will see a green wall.
Decoration Idea
Use magnets to attach pots of succulents or decorative items to the walls of the refrigerator. The magnetic properties of the body allow you to create dynamic compositions, changing them throughout the season.
Another use option is to create a multi-tiered flower bed. If you have several old refrigerators of different sizes, you can dig them into the ground with a ladder or arrange them in a cascade. This will allow you to zone the space and grow crops with different planting height requirements.
Caring for a garden bed during the season
Caring for plants in a metal container has its own characteristics. Due to the fact that the walls heat up in the sun, moisture evaporates faster than in open ground. Therefore watering should be more frequent, especially on hot days. It is recommended to check soil moisture daily.
At the same time, the metal protects the soil from hypothermia in the spring, allowing seedlings to be planted 2-3 weeks earlier than usual. However, at the peak of the summer heat, the walls can overheat, so in the midday hours it is better to shade such beds or mulch the soil around the plants.
⚠️ Attention: In hot weather, metal walls can heat up to 50-60 degrees. Make sure that plant roots located near the walls will not get burned. Use mulching or plant low-growing crops along the walls.
In the fall, after harvesting, the bed does not need to be completely dismantled. The top layer of soil can be removed and used for other purposes, and the lower layers of organic matter can be mixed. If you add fresh herbs there and leave it for the winter, by the next season you will get excellent vermicompost.
Frequently asked questions
Do I need to remove the rubber seal from the door?
Yes, it is better to remove the rubber seal if it is old and cracked, as it can become a place for moisture and mold to accumulate. If you plan to use the door as a trellis, you can leave the rubber, but regularly treat it with an antiseptic.
Can such a refrigerator be used to store crops in winter?
Yes, if you remove the compressor and leave the door ajar for ventilation, the case can be used as a cellar storage for vegetables (potatoes, carrots) on the balcony or in the garage, insulating the walls with polystyrene foam.
How long will such a bed last?
The service life depends on the thickness of the metal and the quality of the anti-corrosion treatment. On average, a painted body lasts 5-7 years. After this, the bottom may begin to tear, but the structure can be repaired by welding a sheet of metal or installing an insert.
Is it safe to put food in an old refrigerator?
Yes, it is safe if you have removed all technical fluids, refrigerant and thoroughly washed the internal surfaces. Metal (steel) is inert and does not release harmful substances into the soil, unlike some types of plastic.