Species

Campanula carpaticaCarpathian Bellflower

3 other cultivars

perennial

Pearl Deep Blue Carpathian Harebell

Campanula carpatica 'Pearl Deep Blue'

The Story

Plant Bio

Campanula carpatica, the Carpathian Harebell, is a low-growing, clump-forming perennial native to the Carpathian Mountains. It is cherished for its profusion of open, bell- or cup-shaped flowers that cover the neat mound of foliage in summer.

'Pearl Deep Blue' is a standout cultivar featuring large, upward-facing, cup-shaped flowers of an intense deep blue-violet. Its tidy, mounding habit makes it an excellent choice for edging, rock gardens, and containers.

Uses & Benefits:

Provides a carpet of vibrant color for many weeks in summer. Its neat, mounding habit is perfect for defining edges, filling gaps in rock walls, or creating a charming, cottage-garden effect at the front of a border.

This Campanula can act as a living mulch or small-scale groundcover, helping to suppress weeds around taller perennials. Its compact size makes it highly versatile for container gardening and small urban spaces.

The open, bell-shaped flowers are easily accessible to a variety of pollinators, including native bees and honeybees. It also provides nectar for hummingbirds.

SpeciesCampanula carpaticaCarpathian Bellflower

Essentials

At a Glance

Plant Type

Perennial

Height

9 inches

Width

18 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8

Water

Moderate

Humidity

Average

Lifespan

Perennial

Native To

Carpathian Mountains, Europe

Toxicity

Non-toxic

Bloom period

Early summer – Late summer

In flower about 3 months of the year

Planting

How to Grow

Choose a spot with full sun or light afternoon shade
Ensure the soil is light, fertile, and drains very well
Dig a hole slightly larger than the plant's root ball
Set the plant in the hole with the crown at soil level
Backfill the hole and press the soil firmly around the base
Water regularly until established, especially in hot weather

Pro Tip

Shear the entire plant back by half after the initial flowering wave to promote a tidier habit and a second flush of blooms.

Keep It Thriving

Care Guide

Do

Provide consistent moisture, but do not let the soil become soggy
Plant in a location with good air circulation to prevent disease
Add a layer of grit or gravel to the planting hole to improve drainage
Deadhead spent flowers regularly to prolong the blooming season

Don't

Do not plant in heavy, waterlogged clay soil
Avoid letting the plant dry out completely during hot spells
Don't bury the crown when planting or mulching
Avoid overhead watering, which can encourage fungal diseases

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Deadhead
Divide
Pest Check
Plant

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Charming border edging and groundcoverColorful accent in rock gardens and troughsSpiller plant for containers and window boxes

Companion Plants

Dianthus gratianopolitanus 'Firewitch'Heuchera 'Plum Pudding'Sedum spurium 'Dragon's Blood'Coreopsis verticillata 'Moonbeam'Geranium 'Rozanne'

Multiply

Propagation Methods

Good to Know

Common Questions

Pearl Deep Blue Carpathian Harebell questions

What zones can Pearl Deep Blue Carpathian Harebell grow in?

Pearl Deep Blue Carpathian Harebell is hardy in USDA Zones 4–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Pearl Deep Blue Carpathian Harebell deer resistant?

Yes — Pearl Deep Blue Carpathian Harebell is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Pearl Deep Blue Carpathian Harebell bloom?

Pearl Deep Blue Carpathian Harebell typically blooms in early summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Pearl Deep Blue Carpathian Harebell need full sun?

Pearl Deep Blue Carpathian Harebell does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.