It comes from North America and Mexico.
The Leaves: the leaves of the rosettes of the plants belonging to the genus Dudleya, are for the most part of reduced dimensions, often they are covered by a silver bloom, more evident during the winter season.
The flowers: In summer it produces small star-shaped and long-lasting flowers, mostly yellow.
Fertilizations: during flowering, a good fertilizer is administered, preferably liquid, to be diluted in the water of the waterings.
It is advisable to use the shoots that sprout at the base of the plant. The latter must be cut with a sharp knife and placed to root in a tank containing sand and peat in equal quantities. It is necessary to allow the point where the cut was made to dry well before placing the shoots in the growing soil. It is also possible to multiply these plants by cuttings, placing a portion of the plant to root in a substratum consisting of sand and peat.
During the winter, the waterings must be completely suspended (as long as the plants are not in a heated environment), while during the summer season they are watered once every 15 days. For irrigation it is advisable to always use water at room temperature.
Other cultural characteristics
Exhibition: in full sun throughout the year; they must be placed in places where they can always receive plenty of light.
Temperature: the minimum winter temperature must not fall below 7 ° C.
Pests and diseases: The most frequent problems are due to the bugs and the red spider, which determine the appearance of brown spongy spots on the leaves.
The 40 or so solitary or cespitose species are very variable and in their original habitat they easily hybridize.
D. hassei can reach 13 cm in diameter and branch out abundantly, forming large tufts reminiscent of coral. The white flowers are carried by 30 cm high stems, which develop on the sides of the rosette. Thanks to its sparse habit, this plant is less subject to the rotting of many other Dudleya species.
D. brittonii forms a solitary rosette, mostly in a beautiful silvery-white shade, so much so that it looks like a flower. The light yellow flower masses are carried by stems 90 cm high.
D. polverulenta has a very compact rosette, of small dimensions, which can be shaded in silvery gray or pure white.
Branches slowly forming a relatively thick head of prostrate stems. This succulent plant produces scarlet flowers, unusual for the genus Dudleya, carried by flower stems up to a meter and a half high.
Powdery Dudleya: Tips
It is essential to give the plant a period of vegetative rest, moving it to an unheated room and suspend the watering