Copiapoa dealbata v carrizalensis - 10 seeds
Copiapoa dealbata (Copiapoa malletiana, Copiapoa carrizalensis) forms huge mounds in habitat more than 6 feet (1,80 m) across composed of hundreds of individual, closely packed heads. The stem is divided into shallow ribs with dense needle-like spines. Aeroles are wooly but most of the wool is concentrated on top of the cactus where it is much thicker. It similar to Copiapoa cinerea but usually with longer spines and greener body.
HOW TO GROW?
Growth rate: It is a relatively rapidly growing and easily flowering species that will make clumps given the best conditions. Soils: It likes very porous standard cactus mix soil, but can become too elongated if compost is too rich. Repotting: Use pot with good drainage. Watering: Water regularly from Spring to Autumn, but do not overwater and let the soil mix dry between waterings (Rot prone), keep dry in winter. Fertilization: Feed with a high potassium fertilizer in summer. Hardiness:Keep warm and dry in winter (10°C) to avoid rot. Not highly tolerant of a great deal of frost. (Frost tolerance 0°C) Exposition: Requires full sun or light shade and careful watering to keep plant compact with strong coloured spines. Tends to bronze in strong light, which encourages flowering and heavy spine production. It must be protected from excessive heat and sun in summer.