Overview

Arenaria montana 'Mont Blanc' is a matforming alpine rockery in the genus Arenaria, part of the Caryophyllaceae family, with evergreen foliage. Arenaria montana 'Mont Blanc' grows best in full sun and partial shade, and tolerates most soils and any pH. Its UK hardiness is rated H5. Suggested uses include rock garden, gravel garden, ground cover, alpine garden and container planting.

About

Arenaria montana, the mountain sandwort, is a species of flowering plant in the family Caryophyllaceae, native to mountainous regions of southwestern Europe, from the Pyrenees to Portugal. The Latin specific epithet montana refers to mountains or coming from mountains.

Wikipedia contributors, CC BY-SA 4.0Arenaria montana

About the genus

Arenaria is a genus of flowering plants, within the family Caryophyllaceae. Most species are annual or perennial herbaceous plants, though a small number are spiny subshrubs; many grow in tufts or mats.

Wikipedia contributors, "Arenaria (plant)", CC BY-SA 4.0Arenaria (plant)

Growing conditions

Best soil and position for Arenaria

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

Plant details

Arenaria montana 'Mont Blanc' size, habit and characteristics

Plant type
Alpine Rockery
Habit
Matforming
Foliage
Evergreen
Suggested uses
Rock garden, Gravel garden, Ground cover, Alpine garden, Container planting

Care notes

Pruning and caring for Arenaria montana 'Mont Blanc'

Propagation
Seed, Division, Basal cuttings
Pest resistance
Generally pest-free
Disease resistance
Generally disease-free

Frequently asked questions

Where is the best place to plant Arenaria montana 'Mont Blanc'?

Arenaria montana 'Mont Blanc' prefers full sun and partial shade. It suits exposed and sheltered positions.

What soil does Arenaria montana 'Mont Blanc' need?

Arenaria montana 'Mont Blanc' 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 Arenaria montana 'Mont Blanc' hardy in the UK?

Arenaria montana 'Mont Blanc' 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 Arenaria montana 'Mont Blanc'?

Seed, Division, Basal cuttings.