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Sempervivum arachnoideum
Sempervivum arachnoideum
Sempervivum arachnoideum
Sempervivum arachnoideum

Sempervivum arachnoideum

TAXONOMY

FamilyCrassulaceae
GenusSempervivum
Zone4

ABOUT

Sempervivum arachnoideum, commonly known as Cobweb Houseleek, is a succulent perennial plant in the Crassulaceae family. It is native to the mountainous regions of Europe, particularly the Alps, Carpathians, and Apennines. The plant is known for its rosettes covered in fine, cobweb-like hairs. It undergoes a dormancy period during the winter months.

ALSO KNOWN AS

Azufaifa
Cob-Webbed Houseleek
Cobweb Houseleek
Cobweb House-Leek
Siempreviva De Araas
Siempre Viva De Telaraa
Spinnweben-Hauswurz
Spinnweb-Hauswurz
Sedum arachnoideum
Sempervivum doellianum
Sempervivum heterotrichum
Sempervivum moggridgei
Sempervivum sanguineum

OVERVIEW

WaterDry
SoilSandy
LightDirect Bright (6 Hours)
Temperature20° C
Humidity40%
Dormancy3 Months
pH6.5
Pressure1,013 mbar

DETAILS

Care Instructions
Cobweb Houseleek is relatively easy to care for. It prefers bright, direct sunlight and can tolerate moderate temperatures. The plant thrives in low humidity environments and requires minimal watering, allowing the soil to dry out almost completely between waterings.
Soil
Sempervivum arachnoideum prefers well-draining, sandy soil. A cactus or succulent mix is ideal. Ensure the soil has good drainage to prevent root rot, as the plant does not tolerate waterlogged conditions.
Fertilizer
This plant does not require frequent fertilization. If desired, a light feeding with a balanced, diluted fertilizer during the growing season can be beneficial, but it is generally not necessary.
Repotting
Repotting is not frequently required for Sempervivum arachnoideum. When necessary, repot in the spring, using a well-draining soil mix. Handle the plant gently to avoid damaging the delicate roots.
Propagation
Propagation is easily done through offsets, which are small rosettes that form around the base of the parent plant. These can be separated and replanted in the spring or early summer.
Pruning
Pruning is not required for this plant. However, you can remove any dead or dried leaves to maintain its appearance and health.
Toxicity
Sempervivum arachnoideum is non-toxic to pets and humans. It is safe to grow in households with animals and children.
Additional
This plant is highly resilient and can thrive in rock gardens, containers, and even cracks in walls. It is frost-hardy and can survive in cold climates, making it a versatile addition to any garden.
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How To Grow Sempervivum arachnoideum | EarthOne