There’s a surprisingly simple way to bring biodiversity back to our green spaces: planting sunflowers. With the arrival of spring, when gardens and balconies come back to life, very little is needed to transform them into a refuge for wild birds. This is not just an aesthetic choice, but a concrete gesture that can attract an incredible variety of species, from small passerines to rarer birds.
The protagonist is the Sunflower, an annual plant that is easy to grow and capable of offering precious nourishment. Its seeds are an irresistible source of energy for many birds, including the European goldfinch and the house sparrow, but also blackbirds, tits, greenfinches and robins. It is not uncommon that, where sunflowers are left to grow and complete their cycle, even the Great Spotted Woodpecker makes its appearance.
What variety of sunflower to plant?
The choice of variety is anything but secondary. To really attract birds, it is best to focus on single-flowered sunflowers, with a large center full of seeds. And this is where an often ignored detail comes into play: once withered, the flowers should not be cut. Leaving plants standing means providing a natural feeder that continues to feed wildlife for weeks, often into early winter.
From a cultivation point of view, the sunflower is one of the most accessible plants even for those with no experience. It can be sown indoors to anticipate growth or directly in the ground when temperatures are milder. It grows quickly, loves light and, as it grows in height, only needs simple support to remain stable. In a few weeks it becomes not only a scenographic element, but a real point of attraction for the fauna.
How many plants?
Of course, a truly bird-friendly garden isn’t built with just one plant. Fresh water, some shelter and the presence of different plant species contribute to creating a richer and more stable environment. Reducing lighting at night also makes a difference, especially for animals that are more sensitive to artificial light.
Then there is a fundamental choice that is often underestimated: completely avoiding poisons and rodenticides. These substances do not stop at parasites, but move up the food chain and end up affecting the very animals that could help us maintain balance naturally.
Planting sunflowers, after all, is a simple gesture that changes perspective. It means moving from a decorative garden to a living one, capable of supporting other forms of life. And in an urban context increasingly poor in biodiversity, even a single flower can make the difference.