Quick Facts
Botanical Name: Campanula takesimana
Common Name: Korean Bellflower
Plant Type: Herbaceous perennial
Height: 50 – 70cm
Spread: Up to 70cm or more over time
Flower Colour: White to pale pink with maroon flecking inside
Flowering Season: Spring to summer
Position: Full sun to part shade
Soil: Humus rich, moist, well-drained soil
Water Needs: Moderate
Frost Tolerance: Good
Growth Habit: Clump-forming perennial with spreading rhizomes
A pretty Campanula with large white bell-shaped flowers flecked with pink, Campanula takesimana, commonly known as the Korean Bellflower, reaches around 50–70cm in height and is an excellent addition to the cottage garden or mixed perennial border.
Distinguished by its long nodding flowers, this attractive bellflower plant brings a graceful appearance to the garden from spring through summer. The flowers are larger than those of many Campanula species and feature a distinctive maroon-flecked interior that adds extra interest on close inspection.
A number of varieties are available, mainly differing in flower colour, however all retain the characteristic elongated bells that make this species so distinctive.
The combination of attractive foliage, elegant blooms and reliable flowering makes Campanula takesimana one of the more interesting cottage garden perennials for cooler Australian gardens.
Campanula takesimana Care
When it comes to Campanula takesimana care, the main consideration is managing its vigorous growth habit.
Although this is a very attractive bellflower, it is also a robust species that spreads by underground rhizomes as well as by self-seeding. In cooler climates this growth tends to be less vigorous and easier to manage.
If spreading is a concern, grow plants in containers, raised beds or areas where they have room to naturalise. Deadheading will also help reduce unwanted self-seeding.
Light
Grow Campanula takesimana in full sun to part shade.
In warmer Australian climates, some protection from hot afternoon sun will help maintain healthy foliage and prolong flowering. In cooler regions it will tolerate more direct sunlight.
Soil
A humus rich, moist but well-drained soil will provide the best results. Improving the soil with compost before planting will encourage strong growth and better flowering.
Watering
Keep plants consistently moist while establishing. Once established they are reasonably resilient, however flowering is best when moisture levels remain even throughout the growing season.
Avoid allowing plants to dry out completely during prolonged hot weather.
Fertiliser
Apply compost or a balanced slow-release fertiliser in spring. Additional feeding is rarely required in fertile soils.
Maintenance
Remove spent flowers to encourage a tidier appearance and reduce self-seeding. Clumps can be divided every few years if plants become overcrowded or spread beyond their allotted space.
Plant Characteristics
Height
Typically 50–70cm in flower.
Spread
Up to 70cm or more over time. This is a clump-forming perennial that gradually expands through underground runners.
Flowers
Large elongated bell-shaped flowers ranging from white to soft pink with a distinctive maroon-speckled interior.
Flowering Period
Spring through summer.
Landscaping Uses
Campanula takesimana is useful in a range of garden settings including:
- Cottage gardens
- Perennial borders
- Woodland-style gardens
- Informal garden plantings
- Partly shaded beds
- Containers and large pots
- Pollinator-friendly gardens
As one of the more adaptable shade tolerant perennials, it can provide colour in areas where many flowering plants struggle. The flowers combine beautifully with hostas, foxgloves, salvias and other traditional cottage garden plants.
Campanula takesimana Propagation
Propagation is straightforward and is usually carried out by division.
Established clumps can be lifted and divided in spring or autumn, with each division quickly developing into a new plant.
Because the plant naturally spreads through rhizomes, divisions establish readily and are often the easiest method of propagation.
Seed can also be collected and sown, although division is generally quicker and produces flowering plants much sooner.
Summary
If you are looking for an easy-care perennial with unusual flowers, Campanula takesimana is well worth considering. The elegant blooms, attractive foliage and long flowering season make the Korean Bellflower a valuable addition to cottage gardens and mixed borders.
Just be aware of its vigorous growth habit and give it adequate room or grow it in containers if you prefer a more controlled display. In the right position, this beautiful bellflower plant will reward you with years of reliable colour.
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