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Hardy perennial
Campanulaceae
Perennials
Campanula 'Pearl Deep Blue'
Carpathian bellflower
Bellflower ‘Pearl Deep Blue’: 20 cm high and 40 cm spread, sun to partial shade. Blue flowers in June-September. Zone 3; choose soil compatible with its moisture needs.
- Exposure
- Sun to partial shade
- Life cycle
- Hardy perennial
- Hardiness
- Zone 3
Discover the plant
Common nameCampanula 'Pearl Deep Blue'
FamilyCampanulaceae
GenusBellflower
SpeciesCarpathian
CultivarPearl Deep Blue
TypeHardy perennial
Botanical nameCarpathian bellflower
The silhouette of Campanula 'Pearl Deep Blue' (Campanula carpatica 'Pearl Deep Blue') adds dimension to garden compositions. Among its distinctive details: bell-shaped flowers. The foliage features shades of green, to be highlighted among different textures. The usual flowering period is June-September. Its size of 20 cm by 40 cm reserves it a place in low borders and the front of beds, without forgetting space for neighboring plants.
Soil choice is essential for Campanula 'Pearl Deep Blue': well-drained garden soil, retaining moderate moisture during establishment. The preferred exposure is sun to partial shade. Support the rooting of Campanula 'Pearl Deep Blue' with deep watering, then check the moisture before watering again. Adjust the frequency to rain and heat; avoid small daily applications on already moist soil. A margin corresponding to its spread of 40 cm avoids having to move the clump in the first few seasons. The indicated hardiness zone is 3, to be appreciated according to your garden conditions.
Throughout the seasons, Campanula 'Pearl Deep Blue' benefits from timely care: remove spent flowers while sparing the basal foliage and control the spread of creeping forms. Campanulas do not tolerate standing water around their base well, even when their foliage prefers cool soil. For associations, consider perennial geraniums, echinaceas, daylilies in varieties with similar needs. By composing around its volume of 20 cm by 40 cm, you will preserve the visibility of its flowering (June-September) and the circulation between plants.
Planting guide
From planting to establishment.
Spacing / density
15.75 in
Best planting time
Spring after the thaw or early autumn, allowing the roots to settle before the severe cold.
Propagation
Division of clumps; root cuttings. Sowing does not guarantee the fidelity of a named cultivar.
Growing method
Campanula ‘Pearl Deep Blue’: Spring after the thaw or early autumn, allowing time for the roots to establish before the cold weather. Support the rooting of Campanula ‘Pearl Deep Blue’ with deep watering, then check the moisture before watering again. Adjust the frequency according to rain and heat; avoid small daily waterings on already moist soil. Campanulas tolerate standing water poorly around their base, even though their foliage prefers cool soil.
Soil and care
The right care,at the right time.
Soil pH
Acid to neutral to alkaline; general indication of the botanical group
Care level
Routine maintenance
Watering
Support the establishment of Campanula 'Pearl Deep Blue' with deep watering, then check moisture levels before watering again. Adjust frequency based on rain and heat; avoid small daily waterings on already moist soil.
Soil type
Well-drained garden soil, retaining moderate moisture during establishment
Fertilization
Fertilizer for flowering
Moisture
Moderate humidity; water according to the actual condition of the root ball
Seasonal care
Bellflower 'Pearl Deep Blue': remove spent flowers, sparing the basal foliage, and control spreading groundcover forms. During its flowering period (June-September), also monitor damaged stems and neighboring plants that might obscure the clump.
Container growing
A garden,within reach.
Recommended pot size
A stable container, with drainage holes, considerably wider than the root ball; size should be adapted to the format sold and the adult development of the plant.
To try Campanula 'Pearl Deep Blue' in a container, choose a stable pot with drainage holes, suited to the root ball and its future size (40 cm). Water must drain freely after each watering; check the root ball more often than in the open ground. Plan for winter protection for the container depending on your climate.
Bloom and dimensions
Its place,in your garden.
Mature height
8 inches (20.5 cm)
Width / spread
16 inches (40.5 cm)
Flower color
Blue
Foliage color
Green
Foliage type
Deciduous in cold climates
Growth rate
Fast
Growth habit
Erected
Fragrance
Not documented for this selection
Bloom period
June-September
Garden associations
In goodcompany.
Companion plants
Associations to consider for Campanula 'Pearl Deep Blue': perennial geraniums, coneflowers, daylilies. Choose varieties that tolerate sun to partial shade and comparable moisture; allow each clump its adult space.
Plants to avoid
Around Campanula 'Pearl Deep Blue', especially avoid neighbors that would cover its leaves or strongly compete with its root ball. Compatibility of light, water, and size takes precedence over a list of so-called enemy plants.
Frequently asked questions
Your questions,answered.
Where to plant Campanula 'Pearl Deep Blue'?
Expect sun to partial shade and a suitable soil (drained garden soil, retaining moderate moisture during establishment). Campanulas do not tolerate standing water around their base, even though their foliage prefers cool soil.
What space should I reserve for Campanula 'Pearl Deep Blue'?
It reaches about 20 cm in height and 40 cm in width when mature. Approximately 40 cm between centres, to be adjusted according to the actual development of the clump. This size is suitable for use as a low border at the front of a bed.
When does Campanula 'Pearl Deep Blue' bloom?
The indicated period is June-September. The color palette of the flowers is blue. The exact date and duration depend on the climate, the season and the plant's establishment.
How to water and care for Campanula 'Pearl Deep Blue'?
Support the establishment of Campanula 'Pearl Deep Blue' with deep watering, then check moisture levels before watering again. Adjust frequency based on rain and heat; avoid small daily waterings on already moist soil. Remove spent flowers, sparing the basal foliage, and control the spread of creeping varieties.
Can Campanula 'Pearl Deep Blue' be grown in a pot?
To try Campanula 'Pearl Deep Blue' in a container, choose a stable pot with drainage holes, suitable for the root ball and its future spread (40 cm). Water must drain freely after each watering; check the root ball more often than if it were planted in the ground. Plan to protect the container in winter depending on your climate.
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