Cobweb Houseleek at a Glance

Care factor What Cobweb Houseleek wants
Light full, direct sun for most of the day
Water water deeply only when the soil has dried out completely, roughly every 18 days in the growing season, and far less in winter
Temperature comfortable around -10–80°F (-23–27°C)
Humidity dry air is fine
Soil a gritty, free-draining succulent mix
Difficulty very easy -- great for beginners
Pet safe yes -- it is generally regarded as pet-safe

Cobweb Houseleek (Sempervivum arachnoideum) is a favourite among indoor gardeners because the white 'web' is natural -- don't pick it off..

Light Needs

Cobweb Houseleek wants full, direct sun for most of the day. It is among the few succulents that survive real outdoor winters (hardy to zone 5).

Watering

water deeply only when the soil has dried out completely, roughly every 18 days in the growing season, and far less in winter.

Soil and Pot

Use a gritty, free-draining succulent mix. A pot with a real drainage hole is non-negotiable -- sitting in water is the fastest way to lose a Cobweb Houseleek.

Temperature and Humidity

It is happiest around comfortable around -10–80°F (-23–27°C). dry air is fine.

How to Propagate Cobweb Houseleek

The easiest method is with an offset pup pulled from the base or fresh seed sown on the surface. Let any cut surface dry for a day or two before it touches soil or water, then keep it barely moist until roots appear.

Common Problems and Fixes

  • Leaning or stretched growth -- it wants more light. Move it brighter or add a grow light.
  • Mushy, yellow base -- overwatering. Let it dry out and check the roots.
  • Brown, crispy edges -- usually low humidity or salt build-up; flush the soil and raise humidity a little.

Frequently Asked Questions

Q: How often should I water Cobweb Houseleek?

A:

water deeply only when the soil has dried out completely, roughly every 18 days in the growing season, and far less in winter.

Q: Is Cobweb Houseleek safe for pets?

A:

yes -- it is generally regarded as pet-safe.

Q: What light is best?

A:

full, direct sun for most of the day.

Q: How do I make more of it?

A:

With an offset pup pulled from the base or fresh seed sown on the surface.

Q: Why are the leaves changing colour?

A:

A little colour shift with the seasons is normal; dramatic scorch means too much direct sun, while fading to plain green means it wants more light.

Cobweb Houseleek rewards a little attention with years of easy beauty. For a personalised schedule, try our free watering calculator and pair it with the light calculator to pick the perfect spot.