Copiapoa longistaminea F.Ritter
Copiapoa de Adriana
Copiapoa calderana subsp. longistaminea, Copiapoa cinerea var. longistaminea
Copiapoa longistaminea is one of the most admired species of Copiapoa that forms dense cushions of many heads covered with grayish wax and orange wool at the apex. The stems are globose to shortly-cylindrical, with 15 to 21 ribs, up to 20 inches (50 cm) tall and up to 6 inches (15 cm) in diameter. The spines are straight, up to 1.2 inches (3 cm) long, brownish at first, later becoming dark red to black and finally grey. The flowers are funnel-shaped, bright yellow and up to 1 inch (2.5 cm) long.
USDA hardiness zones 10b to 11b: from 35 °F (+1.7 °C) to 50 °F (+10 °C).
How to Grow and Care
Despite the extreme and specific conditions in habitat, Copiapoas, as a whole, are surprisingly easy in cultivation. From seed sewing to the care of mature plants, this genus is very forgiving. While staying manageable in size, Copiapoa in cultivation will flower from a young age and reliably so each following year.
These cacti want exposure to half or full sun. If they are in full sun, they must be in a position with good air circulation or they risk sunburn.
Watering should be extremely poor. The soil must dry out completely between waterings. They should, however, be suspended during mid-summer. In this period instead of watering it will be appropriate to spray the plant early in the morning, before the temperature warms up, thus simulating the conditions that they would have in their natural environment.
Copiapoa longistaminea is native to Chile.
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