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Key characteristics

Family: Campanulaceae
Height: 4 to 6 inches
Width: 12 to 24 inches, spreading, mat-forming habit
Flower color: Violet-blue, bell-shaped flowers
Foliage color: Dark green, glossy, evergreen
Bloom time: Late spring to early fall
Light: Full sun to partial shade
Water: Moderate
Maintenance: Low
Growing zone: USDA zones 3 to 8
Wildlife: Attracts bees, butterflies, and other pollinators

Groundcovers

Campanula portenschlagiana

Dalmation Bellflower

Campanula portenschlagiana, commonly known as Dalmatian Bellflower, is a vigorous, spreading perennial prized for its profusion of star-shaped, violet-blue flowers. Blooming from late spring through summer, this plant creates a stunning display as its blooms cascade over walls, rock gardens, or fill gaps in borders. The bell-shaped flowers are particularly striking against the small, heart-shaped, bright green foliage, providing a dense, colorful ground cover.

Native to the rocky cliffs of the Dalmatian coast in Croatia, Campanula portenschlagiana is well-suited for rockeries, crevices, and alpine-style gardens, thriving in challenging, well-drained environments.

Light

Full sun to partial shade

Water

Moderate

Bloom time

Late spring to early fall

Find this plant

Works well in

Pollinator Gardens
Containers
Borders
Rock Gardens

Companion plants

Rockroses · Creeping thyme · Dianthus · Dwarf junipers · Sea thrifts · Creeping phlox

Design tip

Allow this spreading bellflower to soften the edges of stone walls, steps, or raised planters by letting it flow naturally over the sides. The cascading habit blurs hard architectural lines, creating a landscape that feels mature, inviting, and effortlessly connected.

Printable plant sheet (PDF)