Spring brings with it the desire for colors, perfumes and outdoor life. And the onion, simple and often underestimated, can be the secret ingredient to obtain a balcony full of lush and healthy flowers.
You almost never think about it, but some extraordinary solutions can arise from simple gestures, of those who seem to come out of the wisdom of the past. It is believed that for make the balcony flourish They only need chemical fertilizers and expensive care. Still, sometimes it is sufficient to open the pantry. The onion, that bulb that often tears the eyes, proves surprisingly useful in gardening. Between pungent smells and natural compounds, there is something fascinating in using what is already at home to transform a bare corner into a small green paradise.
One might think that it is only a legend, but several fans of urban vegetable gardens and flowery terraces confirm it: the onion It is a small ally with a silent strength. It is really worth finding how.
Onion and flower balcony: a combination that really works
Use the onion for the care of plants It is not only a driver with a green thumb, but a natural, economic and surprisingly effective method. His repellent action against unwanted insects has been known for some time, even if not everyone knows it. His smell, so intense as to make anyone escape when cooking, is also unwelcome to aphids and parasites.
And onion infusion? Nothing complicated, indeed. Just take a piece of onion, even just about ten grams, cut it thin thinly without too many ceremonial and throw it into a saucepan of water that has been boiling for a while. That’s all. After about a quarter of an hour, everything goes out and lets himself cool calmly. At that point you filter yourself, it is drawn in a sprayer and go, you can start spraying the liquid on the leaves, preferably on the lower side where the most annoying parasites often hide. Where the unwelcome guests nest. By repeating the treatment every 3-4 days, constant protection is maintained without damaging the environment.
Not only that: the onion is full of precious nutrients such as nitrogen, phosphorus and potassiumelements that plants love. The skins, often thrown away with distraction, become an excellent liquid fertilizer. Just collect them and let them macerate in water for 24 hours. The next day it is filtered, it dilutes 1 to 10 in proportion, and the ground waters once a week. An easy to prepare and perfect solution for flower plants, aromatic and even for some vegetable in pots.
Il advantage bigger? The onion does not dirty, it does not leave toxic residues and can also be used in smaller balconies, where you prefer to avoid chemicals.
What plants do they love onion? And why it works
Not all plant They react in the same way to natural treatments, but in the case of onion, the benefits are widely distributed. It is interesting to note how some varieties seem to almost “awaken” after the first treatments.
Among those that draw greater benefit There are:
- Rose: The leaves remain more shiny, less attacked by aphids and molds.
- Geraniums: longer flowering and more bright colors.
- Petunia: they resist better for rains and insects.
- Basil and parsley: grow with a more intense perfume and thicker leaves.
- Tomatoes, courgettes, peppers: Even if from a balcony, these vegetables develop better and with fewer parasites.
It has been observed that the regular use of the infusion or of fertilizer Based onion improves not only the aesthetic aspect but also the resistance of plants. A result that often surprises, especially if you are used to more traditional or commercial methods.
For those who have many vases or a balcony rich in plants Different, it is better to prepare greater quantities and keep them in dark containers, labeled to avoid confusion. Where the light is little, the infusion remains better, especially if used within a week.
Transform the balcony in spring: a few gestures are enough
The summer It invites you to spend more time outside, even just to drink a coffee between flowers and perfumes. So why not take advantage of it to give new life to the balcony with a remedy as simple as it is effective? There are no major investments, nor knowledge of expert gardeners. Often, the only thing missing is the right idea.
The onionin this case, does more than you may expect. It protects, nourishes, stimulates growth. And in addition, it allows you to have a healthy green space, without the use of chemicals. A sustainable choice, for those who love nature but also for those who simply want to enjoy some beauty under the house.
That it is A handful of vases Or an entire green wall, what matters is taking care of plants with constancy and a pinch of creativity. The onion, humble and often neglected, can really become the key to a different spring. More colorful, more fragrant, more alive.
Just start. The rest, it does it nature.
Photo © Stock.adobe
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