cactus succulent

Cobweb Houseleek

Sempervivum tectorum 'Cobweb'

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Essentials

At a Glance

Plant Type

Cactus Succulent

Height

4 inches

Width

6 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8, 9

Water

Low

Humidity

Low

Lifespan

Perennial

Native To

Mountains of Europe

Toxicity

Non-toxic

The Story

Plant Bio

Sempervivum tectorum 'Cobweb' is a succulent perennial known for its rosette shape and distinctive cobweb-like filaments that cover its leaves. This cultivar has an attractive appearance due to the fine filaments that resemble cobwebs, providing a unique texture not commonly found in other sempervivums.

Bloom Period:

EarlyLate

Uses & Benefits:

Provides striking, rosette-forming foliage with unique web-like filaments, ideal for sunny rock gardens and containers.

Low-maintenance, drought-tolerant plant requiring minimal watering and care.

Supports pollinators like bees with late-season blooms and offers habitat for beneficial insects.

Marketplace

Where to Buy

We couldn't find this plant listed online right now.

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Planting

How to Grow

Tuck small rosettes into well-draining soil in full sun.
Mist cuttings lightly once roots develop, about 2 weeks.
Allow soil to dry completely between waterings during active growth.
Place in a sunny windowsill or outdoor rock garden for best color.
Divide offsets in early spring for propagation, taking care not to damage roots.
Mulch lightly to prevent weed growth and retain moisture.

Pro Tip

Use gritty, sandy soil for optimal drainage and prevent root rot.

Keep It Thriving

Care Guide

Do

Water sparingly during summer droughts 🌱
Provide plenty of sunlight for vibrant coloration
Use well-draining soil to prevent waterlogging
Divide offsets in spring to propagate new plants

Don't

Avoid overwatering, which can cause rot ❌
Don’t expose to excessive humidity or shade
Refrain from using heavy or clay soils that retain moisture
Don’t forget to protect from frost in colder zones

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Plant
Propagate
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Silver-foliaged rock borderDrought-tolerant container displayTextural groundcover in sunny beds

Companion Plants

Sedum Echeveria Aloe Lavender Thyme

Multiply

Propagation Methods

Good to Know

Common Questions

Cobweb Houseleek questions

What zones can Cobweb Houseleek grow in?

Cobweb Houseleek is hardy in USDA Zones 4–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Cobweb Houseleek deer resistant?

Yes — Cobweb Houseleek is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Cobweb Houseleek bloom?

Cobweb Houseleek typically blooms in late summer through early fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Cobweb Houseleek need full sun?

Cobweb Houseleek does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is Cobweb Houseleek drought tolerant?

Yes — once established (usually after the first full season), Cobweb Houseleek handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.