Overview

Sempervivum 'Pulmosa' is a matforming, rosette-forming alpine rockery in the genus Sempervivum, part of the Crassulaceae family, with evergreen, fleshy, pointed leaves, green, grey, red foliage. Sempervivum 'Pulmosa' grows best in full sun, and tolerates loam and sand soils and any pH. Its UK hardiness is rated H5. Suggested uses include rock garden, scree bed, wall crevice, trough and alpine house.

About

Sempervivum 'Pulmosa' is a mat-forming succulent cultivar within the Sempervivum genus, known for its evergreen, fleshy rosettes with pointed leaves that can appear in shades of green, grey, or red. As a perennial alpine plant, it thrives in full sun and well-drained gritty soils, tolerating a range of soil types and pH levels. This cultivar is hardy to UK zone H5 and is suitable for rock gardens, scree beds, wall crevices, troughs, and alpine houses. It produces star-shaped flowers during summer and can be propagated by offsets in spring.

Growing conditions

Best soil and position for Sempervivum

Sunlight
Full sun
Soil type
Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Well-drained
Aspect
South-facing, East-facing, West-facing, North-facing
Exposure
Exposed, Sheltered
UK hardiness
H5

Plant details

Sempervivum 'Pulmosa' size, habit and characteristics

Plant type
Alpine Rockery, Cactus Succulent
Habit
Matforming, Rosette-forming
Foliage
Evergreen, Fleshy, Pointed leaves, Green, Grey, Red
Suggested uses
Rock garden, Scree bed, Wall crevice, Trough, Alpine house

Care notes

Pruning and caring for Sempervivum 'Pulmosa'

Propagation
Offsets in spring
Pest resistance
Vine weevil, Sempervivum leaf miner, Slugs, Snails
Disease resistance
Rust

Frequently asked questions

Where is the best place to plant Sempervivum 'Pulmosa'?

Sempervivum 'Pulmosa' prefers full sun. It suits exposed and sheltered positions.

What soil does Sempervivum 'Pulmosa' need?

Sempervivum 'Pulmosa' grows best in loam and sand soil. It is happy in soil of any pH. Aim for soil that stays well-drained.

Is Sempervivum 'Pulmosa' hardy in the UK?

Sempervivum 'Pulmosa' has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.

How do I propagate Sempervivum 'Pulmosa'?

Offsets in spring.

More in the Sempervivum genus

Browse all Sempervivum