Sempervivum Arachnoideum ‘Cebenese’

Sempervivum Arachnoideum 'Cebenese' Image

This Sempervivum is unique because it always seems to have spider webs all over its well-organized rosettes. The ‘webs’ result from long cilia that grow on the leaf’s margins.

Genus:Sempervivum Arachnoidem
Scientific Name:Sempervivum 
Other Names: Cobweb Houseleek, Spider’s Web Sempervivum, Cobweb Sedum, Cobweb Hen and Chick, Spider Web Hens & Chicks.
Growth Season:Spring and summer
Preferred Temperature:Its preferred growing temperature is 18-24oC (65-75oF)
Hardiness Zone:USDA Zone 5-8
Average Mature Height & Width:  It rises to between 6 and 12 inches high with a 6-18 inches wide
Dormancy:It goes dormant in winter.
Toxicity:It may be mildly toxic to pets and humans when ingested.
Sempervivum Arachnoideum ‘Cebenese’ Summary

Sempervivum Arachnoideum ‘Cebenese’ Physical Characteristics

It is commonly known as the cobweb house leek because it has furry rosettes. The furry rosettes look like cobwebs. This furriness is occasioned by long cilia on the edges of the leaves.

Its leaves are arranged into rosettes which spiral horizontally. The leaves start from the very bottom. It is a compact plant that only reaches 12 inches high and 18 inches wide. This flowering plant produces pink hermaphrodite flowers, which grow from flower stalks that appear from the main stem.

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Sempervivum Arachnoideum ‘Cebenese’ Care

It is a typical succulent that doesn’t require much water to grow or survive. Water it during spring and summer but refrain from watering it in winter since the plant is usually dormant.

In summer, ensure the soil is consistently moist. However, it shouldn’t get soaked. Soaked pottage makes the plant susceptible to root rot.

If growing it in a pot, ensure it has suitable drainage holes to allow the water to pass through after giving the plant a drink. An unglazed terracotta pot is ideal as it is breathable, allowing the roots to get enough oxygen.

It will give you the best results if you expose it direct morning sun and shield it from the scorching afternoon sun. You can feed the succulent some potassium, phosphorus-rich, or slow-release fertilizer once during the growing season.

DO YOU KNOW? Caring (propagating, pruning/trimming, beheading, watering, …) is a set of skills that is widely applicable to succulents. Read the in-depth guide here >>

Richard Miller – Succulent City

Sempervivum Arachnoideum ‘Cebenese’ Growth

It is a prolific off-setter, and you can get your pups from the base of this plant for propagation. Plant these offsets as for daughter plants. Also, you can propagate by seed if any have grown to maturity in plants in your garden.

Pruning is not necessary for this plant’s general well-being. You want to keep the leaves as intact as possible to keep the rosettes in their pristine beauty. Repotting is only done when the subject plant has outgrown the pot or if the pottage has been depleted of nutrients or gravel.

Mealybugs, aphids, and spider mites are some of the bugs that may attack them. You can protect the plant using systemic pesticides and contact pesticides.

Before you leave …

You can see all plants from the Sempervivum genus on Succulent City on this page. Or the previous/next plant:

Succulent City chief editor


Succulent City

Hey everyone! Welcome to Succulent City! We are all about succulents, cacti, and a bit about air plants. Ten years back, in 2013, we began the journey with succulents. It started as a simple hobby, crafting and selling charming succulent-themed pins and decorations. But as time passed, our fascination with these remarkable plants grew, and we gained extensive knowledge about them. Therefore, Succulent City is the blog as you see it is now. Enjoy your visit and happly planting!

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Posted in Succulents