Sempervivum arachnoideum cobweb
Botanical Quick Growing Specs
Bright Indirect
Moderate (Allow to Dry)
Moderate (45%–60% RH)
Toxic if Ingested (Keep Away from Pets)
Horticultural Description
Cobweb grows in tight rosettes, and given space, will offset to create more. Blooms purple star shaped flowers in the spring. Water little and protect from intense sun. Hardy to zone 4.
“In our Lake Erie greenhouses, this cultivar produces its most vibrant foliage when given consistent morning light and steady warmth. When your order arrives, allow it to settle for 24 hours in indirect light before potting up into fresh, airy potting mix.”
— Jen Webber, Lead HorticulturistFrequently Asked Growing Questions
What light does Sempervivum arachnoideum cobweb require?▼
Sempervivum arachnoideum cobweb thrives in Bright Indirect. Direct, harsh midday sun will scorch foliage, while insufficient light leads to leggy stems.
How should I water and manage humidity?▼
Moderate (Allow to Dry). Ambient humidity is best at Moderate (45%–60% RH). Ensure your pot has drainage holes for root aeration.
Is this plant safe for pets?▼
Toxic if Ingested (Keep Away from Pets). Keep out of reach of curious dogs and cats to prevent oral irritation or stomach upset.
