Sempervivum calcareum ‘Guillaumes’ is an evergreen perennial succulent forming rosettes, up to 0.8 inches (2 cm) in distance across. It is made up of spirally arranged, fleshy, green leaves, suffused, dark red originating at the tip and spreading down the leaf as it ages. The blossoms are light green and sticky, produced in bunches on long, stout stems in summer. It is often grown the name of Sempervivum californicum in patio nurseries. Some most loved cultivars are “Mrs. Giuseppe”, the captivating “Pink Pearl”, and “Sir William Lawrence”.

Sempervivum calcareum is a saxicolous plant that colonizes rocks and stony territories and usually appeared on limestone rocks. It grows dissipatedly in some areas and segregated populaces.

Scientific Name:

Sempervivum calcareum “Guillaumes”

Scientific Classification

Family: Crassulaceae

Subfamily: Sedoideae

Clan: Sedeae

Class: Sempervivum

Sempervivum calcareum

How to Grow Sempervivum calcareum “Guillaumes”

Cultivation: Sempervivum calcareum is an intriguing plant and exceptionally simple to develop in pots or in the stone patio nursery. It develops well in any position where the regular Houseleek (Sempervivum tectorum) might be developed, and in any soils

Soil: Despite the fact that it develops on limestone substrates, it doesn’t appear to be particular about conditions in the patio nursery. It requires a very much depleted succulent soil blend. If grown outdoors, it will spread itself through limited areas between rockery stones. It doesn’t incline toward rich loamy soil; coarse earth with pea rock suits it.

Exposition: It needs full sun to light shade and endures shade; however a radiant spot is most pleasant. In hotter atmospheres, it needs protection from an excessive amount of sun since it isn’t very warmth tolerant.

Propagation: It is all around effectively proliferated by dividing bigger clumps or by segregating its offsets.

Sempervivum calcareum

How to Care For Sempervivum calcareum “Guillaumes”

Frost hardy: This succulent is hardy at least to -12°C (or less).

Light: They require full sun. They are perfect for a sunny window.

Soil: An all-around depleted soil mix, with a perfect pH around 6.0 (marginally acidic) is the optimum soil for this succulent plant.

Fertilization: Fertilizer the soil with a controlled-release fertilizer at the start of the season or it can be done on a weekly basis with a weak liquid fertilizer solution. Utilize reasonable 20-20-20 manure at 1/4 quality on mature plants, and fertilizer with less nitrogen on young plants.

Pests and Diseases: Like distinctive succulents, Sempevivum calcareum detests water logging condition. They are inclined to crown spoil if too much water is administered. In spite of the way that this Sempervivums like the sun, they are susceptible to sunburn when sets in too much sun. They are also vulnerable to mealy bugs and aphids.

Remarks: Sempervivum calcareum is a saxicolous plant that colonizes rocks and stony regions and as a rule happens on limestone rocks. It becomes dispersed in some little, confined populaces. The sprouting period of this succulent is in pre-fall (July to August), however, blossoms are only here and there created. After the plant sprouts and sets seed, the parent plant will eventually die leaving numerous offsets to have its spot. It is choicest species for the stone patio nursery and fringes, it tends to be utilized for edgings, lines, and boards in the flower garden, and naturalized on dividers, ruins, or any position where the Common Houseleek flourishes.Sempervivum calcareum is sturdy and can withstand dry season. It takes little water and thrives best in arid conditions. Too much water could lead to crown decay of this succulent plant. Amid the growing season, the plants are watered and permitted to dry marginally before watering once more. Despite the fact that they can take a lot of dry season, they appear to improve normal (yet directed) watering. Amid the winter months, plants are watered practically nothing.

Sempervivum calcareum