Sempervivum calcareum is an interesting species, its peculiarity is that it likes to grow on limestone soils. The leaves also have a bluish tinge, and the tips of the leaves can be brown.
Description
Plants of this species, like all succulents, accumulate water in their leaves. The rosette lives on average 3-4 years, then blooms and dies. Throughout life, the parent plant forms around it a large number of daughter plants that need to be planted from time to time.
The rosette diameter ranges from 2-4 inches, typically 3 inches. The height of the peduncles up to 10 inches, blooms whitish flowers. The color of the leaves and tips is quite rich in contrast to other species of sempervivums.
Habitat
The species grows in the Alps closer to the sea in southern Europe. It can rise at a height of 4,900 feet above sea level. Prefers limestone or neutral soils.
Care
Sempervivum calcareum is easy enough to grow if there is no stagnant water and plenty of sunlight on the landing site.
Suitable for growing in pots outside the room. Propagated by flowering and child rosettes. The parent plant quickly grows many daughter plants around itself.
The plant should be replanted in early or late summer. When transplanting, try not to damage the roots, you can only remove the old dead roots. If the plant is damaged during the transplant, treat the wounds with fungicide or ash. Place the plant in a new place and cover all the roots with the ground to the rosette level.
Start watering the plant a few days after transplanting.
Cultivars
Sempervivum Burgundy Moon
In the spring, this variety is pink, which sets it apart from most varieties of Sempervivum calcareum. More saturated colors require a lot of sun and poor soil. The growth rate is slow, forming a small number of daughter rosettes. Bred in Germany in 1998 by Erwin Geiger.
Sempervivum Campagha
This variety grows vigorously, forms many daughter plants, quickly forms a living carpet. The color of the leaves is cherry, their small length makes the socket round.
Rosettes size 2 inch. Bred in Belgium in 200 by Andre Smits.
Sempervivum Dainty Lass
Leaves are purple-green in color with red tips. Size is 2-3 inches, the growth rate is fast. Bred in Belgium by A.Smits.
Sempervivum Extra
This variety has light green leaves with dark red tips. The size of rosettes up to 4 inches.
Bred in Hungary by Howard Willis.
Sempervivum Griggs Surprise
This monstrous form has several different names. This variety was named in 1958 in the UK by Ronald Byles. The origin is unknown.
The baby rosettes are formed directly near the mother, the growth rate is slow.