Sempervivum tectorum 'Isella'


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Product Details


Sempervivum tectorum 'Isella' (Zonneveld): A mainstay of the Sempervivum genus, and with good reason. This medium to large rosette has a bright green center and leaf tips that change from maroon to deep purple through the seasons. It is an exceptionally resilient grower and can handle dry, sunny conditions even better than other semps.

Its Latin name references the way the S. tectorum species has historically grown on rooftops in Europe without any maintenance. Even today, it makes a great option for green roofs and living walls. Horizontal garden beds can also be planted with 'Isella' for drought-tolerant, low-effort landscaping.

'Isella' is a particularly prolific grower, sending out large quantities of offsets or "chicks" on stolons. Left alone, it can form impressive clusters of rosettes, but you can also gently pull the chicks from the stolons and transplant them to a partly sunny spot with well-draining soil. It grows steadily in most zones and tolerates temperatures down to -20F. Protect from heavy rains, particularly in winter.

Color - Primary

Green / Lime

Color - Secondary

Purple / Black

Bloom Color

Pink Bloom

Cold Hardiness

Zone 5 (-20F)

Recommended Light Conditions

Filtered / Partial Sun

Recommended Light Conditions

Full Sun

Maximum Height

Under 3"

Maximum Rosette Size


Growth Habit / Shape



Winter Dormant Partial

Product Format

2.0" Pot

Special Characteristic

Lots of Offsets

Special Characteristic

Easy to Propagate

Special Characteristic

Pet Safe

Shipping info

  • Shipping Days: Monday, Tuesday
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