Sempervivum calcareum from Col Bayard, France — Matforming

Overview

Sempervivum calcareum from Col Bayard, France is a matforming alpine rockery in the genus Sempervivum, part of the Crassulaceae family, with evergreen foliage. Sempervivum calcareum from Col Bayard, France 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 calcareum from Col Bayard, France, is a mat-forming perennial succulent belonging to the Crassulaceae family. This evergreen cultivar forms dense rosettes that persist year-round, thriving in full sun and well-drained soils such as chalk, loam, or sand. It is hardy to UK zone H5 and well-suited to exposed or sheltered positions with east, south, or west aspects. Ideal for rock gardens, patios, and informal cottage gardens, it tolerates poor, thin soils and is extremely drought-tolerant once established. Propagation is by removal of offsets in spring and early summer.

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 calcareum from Col Bayard, France 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 calcareum from Col Bayard, France

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 calcareum from Col Bayard, France?

Sempervivum calcareum from Col Bayard, France prefers full sun. It suits exposed and sheltered positions.

What soil does Sempervivum calcareum from Col Bayard, France need?

Sempervivum calcareum from Col Bayard, France 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 calcareum from Col Bayard, France hardy in the UK?

Sempervivum calcareum from Col Bayard, France 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 calcareum from Col Bayard, France?

Propagate by removal of offsets in spring and early summer.

More in the Sempervivum genus

Browse all Sempervivum →