Overview

Sempervivum 'Madame Arsac' is a matforming alpine rockery in the genus Sempervivum, part of the Crassulaceae family, with evergreen foliage. Sempervivum 'Madame Arsac' grows best in full sun, and tolerates most soils and any pH. Its UK hardiness is rated H5. Suggested uses include cottage and informal garden, patio and container plants and rock garden.

About

Sempervivum 'Madame Arsac' is a matforming cultivar of the Sempervivum genus, known for its evergreen succulent rosettes that form dense mats. As a perennial alpine rockery plant, it thrives in full sun and well-drained, gritty soils, including chalk, loam, and sand, across a range of soil pH levels. This hardy cultivar is suitable for exposed or sheltered sites and is extremely drought-tolerant once established. It is ideal for cottage and informal gardens, rock gardens, patios, and containers, providing year-round interest throughout spring, summer, autumn, and winter.

Growing conditions

Best soil and position for Sempervivum

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

Plant details

Sempervivum 'Madame Arsac' size, habit and characteristics

Plant type
Alpine Rockery, Cactus Succulent
Habit
Matforming
Foliage
Evergreen
Suggested uses
Cottage and informal garden, Patio and container plants, Rock garden

Care notes

Pruning and caring for Sempervivum 'Madame Arsac'

Propagation
Propagate by removal of offsets in spring and early summer
Pest resistance
May be susceptible to vine weevil larvae
Disease resistance
May be susceptible to rust diseases

Frequently asked questions

Where is the best place to plant Sempervivum 'Madame Arsac'?

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

What soil does Sempervivum 'Madame Arsac' need?

Sempervivum 'Madame Arsac' is adaptable and grows happily in most soil types, including chalk, loam and sand. It is happy in soil of any pH. Aim for soil that stays well-drained.

Is Sempervivum 'Madame Arsac' hardy in the UK?

Sempervivum 'Madame Arsac' 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 'Madame Arsac'?

Propagate by removal of offsets in spring and early summer.

More in the Sempervivum genus

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