Coleocephalocereus – Coleocephalocereus – Fatty plants – Coleocephalocereus – Succulent

a genus that includes some species of columnar cactus, originating in South America, especially Brazil. In the wild, they reach a height of 2-3 metres, while in containers they are kept close to 60-80 cm in size. They have a slow growth and initially develop for some years as globular cacti; they have dark green trunk, crossed by 5-15 ribs, which carry numerous thorny areoles; the thorns are yellowish, but become grey with the passing of the time.

The adutlian specimens develop at the top a cephalium, formed by brown or black hairs and thorns; these plants, contrary to the melocactus, grow up in height even after having developed the cephalium, which, with the passing of the time, then tends to become lateral. In summer, numerous flowers bloom from the cephalium, 7-10 cm long, of white, red or pink colour; the flowers are open only during the night.

The flowers are followed by small oval fruits, containing several seeds, which usually sprout a few millimetres from the cephalium.

Coleocephalocereus goebelianus

Exposure

to place in full sun, these plants love the luminous and warm positions; the coleocephalocereus fear the cold, in winter they are to be kept at temperatures over the 10-15°C.

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Watering

From March to October water sporadically, leaving the soil to dry between one watering and the other; in the cold months water only sporadically, once every 30-40 days, with small amounts of water. During the vegetative period, mix with the water of the watering a specific fertilizer for succulent plants, every 20-30 days.

Land

use a well-drained, mescoaldno-prepared, universal soil substrate with washed river sand and pozzolana or fine-grained pumice.

Multiplication

occurs by seed in spring, the seedbed is to be kept humid until the small plants have a radius of some cm of height. Usually, the small succulent plants do not bear the direct sun, the recently germinated seeds are to be kept in a shaded place. At times, the coleocephalocereus tend to tiller, producing new specimens at the base of the adult plants: these small plants can be removed and repotted in a single container.

Coleocephalocereus: Pests and diseases

Excessive watering can lead to root rot; these plants are sometimes attacked by cochineal and mites.

Agave

Lingua di suocera - Epiphyllum

Calancola - Kalanchoe blossfeldiana

Euforbia