It is planted in autumn, remembering that the plant can reach 120-150 cm in height and about 60 cm in diameter.
In spring, it produces small spherical inflorescences, formed by greenish yellow flowers, very particular, at the apex of the stems; in summer, the flowers are replaced by the fruits, small whitish-grey berries.
I calocephalus are very suitable in the perennial aioles, and also between the aromatic; in fact these shrubs do not have a very long life, but are very decorative; sometimes they are grown as annual plants, in the low borders, or in the jars of annual, and are eradicated at the arrival of winter.
Calocephalus brownii [Vaso Ø12cm]
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The Calocephalus brownii are to be placed in a sunny, or even semi-shady, location; usually, they can bear temperatures close to the -5°C, even if they prefer milder temperatures, around the 10-15°C.
It is advisable to place this variety of plants in a place sheltered from the wind and, during the winter season, cover the surrounding soil with dry leaves or mulch material so as to protect the roots from the harsh temperatures.
The plants of this variety are well suited for cultivation in pots, given the small size they reach; in this way it is possible to shelter them at their best during the coldest period.
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COLLA PER TOPI ZAPICOL
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The plants of Calocephalus brownii are quite rustic and resistant and as far as the watering is concerned they have no particular needs, often contenting themselves with the rains alone.
Obviously, from March to October, it is recommended to water in case of prolonged periods of drought, while waiting for the soil to be perfectly dry between one watering and the other to avoid stagnation of water that can affect the health of the plant or cause root rot. During the vegetative period, provide fertilizer for flowering plants, every 20-25 days, dissolved in the water of the watering.
I calocephalus are grown in soft, rich and very well drained soil to avoid annoying and dangerous water stagnation. It is also possible to prepare the cultivation in pot, necessary especially for the youngest and most delicate specimens.
The multiplication of calocephalus can be done by seed and by cutting. The multiplication by seed can be applied in spring or late summer; in summer it is also possible to do semi-woody cuttings, taking small branches of 8-10 cm to be placed in the ground in a luminous zone, but not in the direct rays of the sun, after having favoured the growth of the roots, soaking the cut in the powdered hormone for roots, which can be found by a good nurseryman.
Calocephalus brownii: Pests and diseases
Calocephalus brownii plants can be affected by powdery mildew, root rot and aphids. In case of symptoms that indicate the presence of a parasite or a disease, it is essential to act quickly to definitively solve the problem, using the specific products on the market.