Overview
Asperula cynanchica subsp. cynanchica is a matforming alpine rockery in the genus Asperula, part of the Rubiaceae family, with evergreen, deciduous foliage. Asperula cynanchica subsp. cynanchica grows best in full sun and partial shade, and tolerates most soils and any pH. Its UK hardiness is rated H3. Suggested uses include city and courtyard gardens, gravel garden, patio and container plants, rock garden, cottage and informal garden and garden edging.
About
Asperula cynanchica subsp. cynanchica is a matforming cultivar within the Asperula genus, which comprises annuals and both evergreen and deciduous perennials. This plant features small leaves arranged in pairs or whorls and produces clusters of small, funnel-shaped flowers in summer and autumn. It thrives in fertile, moist but well-drained soils, including chalk, clay, loam, and sand, and tolerates a range of soil pH levels. Suitable for full sun or partial shade, it is hardy in the UK (H3) and is well suited to various garden settings such as rock gardens, gravel gardens, and patios.
Growing conditions
Best soil and position for Asperula
- Sunlight
- Full sun, Partial shade
- Soil type
- Chalk, Clay, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- South-facing, North-facing, East-facing, West-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H3
Plant details
Asperula cynanchica subsp. cynanchica size, habit and characteristics
- Plant type
- Alpine Rockery
- Habit
- Matforming
- Foliage
- Evergreen, Deciduous
- Suggested uses
- City and courtyard gardens, Gravel garden, Patio and container plants, Rock garden, Cottage and informal garden, Garden edging
Care notes
Pruning and caring for Asperula cynanchica subsp. cynanchica
- Propagation
- Seed, Division
- Pest resistance
- Generally pest-free
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Asperula cynanchica subsp. cynanchica?
Asperula cynanchica subsp. cynanchica prefers full sun and partial shade. It suits exposed and sheltered positions.
What soil does Asperula cynanchica subsp. cynanchica need?
Asperula cynanchica subsp. cynanchica is adaptable and grows happily in most soil types, including chalk, clay, loam and sand. It is happy in soil of any pH. Aim for soil that stays moist but well-drained.
Is Asperula cynanchica subsp. cynanchica hardy in the UK?
Asperula cynanchica subsp. cynanchica has an RHS hardiness rating of H3, meaning it is half-hardy, tolerating -5 to 1°C, and may need winter protection in colder areas.
How do I propagate Asperula cynanchica subsp. cynanchica?
Seed, Division.
