Sempervivum arachnoideum (Cobweb Houseleek) 7.5cm Pot – Hardy Succulent Indoor/Outdoor Plant | Spiderweb Rosette | Easy Care

Overview

Sempervivum arachnoideum, commonly known as Cobweb Houseleek, is a striking succulent recognised for its compact rosettes covered in fine, white web-like threads. This natural “cobweb” effect gives the plant its distinctive appearance and makes it a standout in any collection. Extremely hardy and adaptable, it thrives in a range of conditions, making it ideal for both indoor displays and outdoor gardens.

Key Benefits / Why Buy
Unique cobweb-like detail across rosettes
Extremely hardy and resilient succulent
Clustering growth—spreads and multiplies over time
Low-maintenance and drought-tolerant
Suitable for indoor and outdoor use
Perfect for beginners and collectors alike
Best Uses
Rock gardens and outdoor succulent beds
Indoor pots and windowsill displays
Ground cover in dry landscapes
Mixed succulent arrangements
Gift for plant enthusiasts and beginners
Growing Conditions & Care

Light
Prefers full sun to bright light. Indoors, place in the brightest possible spot.

Watering
Water sparingly. Allow soil to dry out completely between watering.

Humidity
Thrives in low humidity. Avoid overly humid environments.

Temperature
Highly cold-hardy compared to most succulents. Tolerates cooler temperatures but protect from extreme frost in pots.

Soil
Requires well-draining soil—cactus or succulent mix is ideal.

Feeding
Minimal feeding required. Apply a light fertiliser once during the growing season if needed.

FAQs (Most Asked Questions)

Is Sempervivum arachnoideum easy to care for?
Yes, it is extremely hardy and one of the easiest succulents to grow.

Can it grow indoors?
Yes, but it prefers very bright light. It performs best outdoors or on sunny windowsills.

What are the white “cobwebs” on the plant?
They are completely natural and part of the plant’s structure—not pests or disease.

Why are the rosettes closing or stretching?
This is usually due to insufficient light. Move to a sunnier location.

Does it spread?
Yes, it produces offsets (chicks) that form clusters over time.