Overview
Androsace septentrionalis is a matforming alpine rockery in the genus Androsace, part of the Primulaceae family, with evergreen foliage. Androsace septentrionalis grows best in full sun, and tolerates most soils and any pH. Its UK hardiness is rated H5. Suggested uses include rock garden, gravel garden and patio and container plants.
About
Androsace septentrionalis is a mat-forming alpine rockery plant within the Primulaceae family. This evergreen perennial thrives in full sun and suits south- or west-facing aspects, tolerating both exposed and sheltered conditions. It prefers fertile, moist but well-drained soils ranging from chalk to loam and sand, with a pH that can be acid, alkaline, or neutral. Hardy to UK zone H5, it is ideal for rock gardens, gravel gardens, and patio containers. Planting is best done after the last frost, with propagation possible by seed or root cuttings in early to mid-summer. It offers winter interest with its compact, cushion-like growth.
About the genus
Androsace, commonly known as rock jasmine, is a genus of flowering plants in the family Primulaceae, second only to Primula in the number of species. It is predominantly Arctic–alpine, with many species in the Himalayas, the mountains of central Asia, the Caucasus, and the southern and central European mountain systems, particularly the Alps and the Pyrenees.
Wikipedia contributors, "Androsace", CC BY-SA 4.0 — Androsace
Growing conditions
Best soil and position for Androsace
- Sunlight
- Full sun
- Soil type
- Chalk, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- South-facing, West-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H5
Plant details
Androsace septentrionalis size, habit and characteristics
- Plant type
- Alpine Rockery
- Habit
- Matforming
- Foliage
- Evergreen
- Suggested uses
- Rock garden, Gravel garden, Patio and container plants
Care notes
Pruning and caring for Androsace septentrionalis
- Propagation
- Seed, Root single rosettes as cuttings in early to mid-summer
- Pest resistance
- Aphids
- Disease resistance
- Leaf spot under wet conditions
Frequently asked questions
Where is the best place to plant Androsace septentrionalis?
Androsace septentrionalis prefers full sun. It suits exposed and sheltered positions.
What soil does Androsace septentrionalis need?
Androsace septentrionalis 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 moist but well-drained.
Is Androsace septentrionalis hardy in the UK?
Androsace septentrionalis 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 Androsace septentrionalis?
Seed, Root single rosettes as cuttings in early to mid-summer.