Only the flower heads are used, collected manually before the full flowering phase. After a careful selection of the inflorescences (the flower heads, in fact), the plant material is placed in a male deer bladder and dried in the sun.
Then, in autumn, it is buried. The following spring, upon disinterment, we will have a humic mass, with characters completely different from the original ones, a sign of the profound transformation of the matter.
The 502 is ready and develops a cheesy, mature cheese aroma. In the bad quality one the aroma becomes ammoniacal, very unpleasant.
It is especially rich in sulfur and potassium, in active form.
We can enjoy the beauty of yarrow flowers for most of the year as this plant blooms from early spring until late autumn .
The peculiarity of these beautiful flowers is that they change color as flowering progresses.
It grows well even in poor soil and resists intense cold , surviving the winters of the Aosta Valley every year.
The main component of yarrow is essential oil , contained in both the flowers and the leaves.
The best known and most used property is its healing action , therefore it is useful against skin lesions and any type of wounds and/or sores .