Overview
Campanula punctata 'Sarastro' is a bushy, clump forming, columnar upright, mound-forming perennial in the genus Campanula, part of the Campanulaceae family, with deciduous foliage. It typically grows around 0.4 m tall. Campanula punctata 'Sarastro' grows best in full sun, and tolerates sandy and loamy soils and any pH. Its UK hardiness is rated H7. Suggested uses include borders, rock gardens and cottage gardens. It is native to Japan, Korea, China and Siberia.
About
Campanula punctata, the spotted bellflower, is a species of flowering plant in the bellflower family Campanulaceae. This ornamental herbaceous perennial is native to Japan, Korea, China and Siberia, and is widely cultivated for its attractive bell-shaped flowers.
Wikipedia contributors, CC BY-SA 4.0 — Campanula punctata
About the genus
Campanula is the type genus of the Campanulaceae family of flowering plants. Campanula are commonly known as bellflowers and take both their common and scientific names from the bell-shaped flowers—campanula is Latin for "little bell".
Wikipedia contributors, "Campanula", CC BY-SA 4.0 — Campanula
Growing conditions
Best soil and position for Campanula
- Sunlight
- Full sun
- Soil type
- Sandy, Loamy
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- South-facing, North-facing, East-facing, West-facing
- Exposure
- Full sun to partial shade
- UK hardiness
- H7
Plant details
Campanula punctata 'Sarastro' size, habit and characteristics
- Plant type
- Perennial
- Habit
- Bushy, Clump forming, Columnar upright, Mound-forming
- Foliage
- Deciduous
- Height
- 0.4 m
- Suggested uses
- Borders, rock gardens, cottage gardens
- Native to
- Japan, Korea, China, Siberia
Care notes
Pruning and caring for Campanula punctata 'Sarastro'
- Cultivation
- Prefers moist, well-drained soil; avoid waterlogging; mulch in winter
- Pruning
- Deadhead spent flowers to encourage more blooms; cut back after flowering
- Propagation
- Division in spring or autumn; seed
- Pest resistance
- Slugs, Snails
- Disease resistance
- Powdery mildew, Rust
Frequently asked questions
How do I grow Campanula punctata 'Sarastro'?
Prefers moist, well-drained soil; avoid waterlogging; mulch in winter.
Where is the best place to plant Campanula punctata 'Sarastro'?
Campanula punctata 'Sarastro' prefers full sun. It suits full sun to partial shade positions.
What soil does Campanula punctata 'Sarastro' need?
Campanula punctata 'Sarastro' grows best in sandy and loamy soil. It is happy in soil of any pH. Aim for soil that stays moist but well-drained.
How do I prune Campanula punctata 'Sarastro'?
Deadhead spent flowers to encourage more blooms; cut back after flowering.
How big does Campanula punctata 'Sarastro' grow?
Campanula punctata 'Sarastro' reaches a height of 0.4 m.
Is Campanula punctata 'Sarastro' hardy in the UK?
Campanula punctata 'Sarastro' has an RHS hardiness rating of H7, meaning it is fully hardy throughout the UK, tolerating temperatures below -20°C.
How do I propagate Campanula punctata 'Sarastro'?
Division in spring or autumn; seed.
More in the Campanula genus
- Campanula lactiflora 'Alba'Milky Bellflower
- Campanula poscharskyana 'Stella'Serbian Bellflower
- Campanula rotundifolia 'Thumbell White'Harebell
- Campanula sarmaticaBellflower
- Campanula sulphureaYellow Bellflower
- Campanula 'Burghaltii'bellflower 'Burghaltii'
- Campanula 'Maie Blyth'Bellflower
- Campanula lact. 'Loddon Anna'