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Carpathian bellflower 'Blue Clips'

Campanula carpatica 'Blue Clips' · Campanulaceae Popular

Carpathian bellflower 'Blue Clips' (Campanula carpatica 'Blue Clips') in flower
Photo: Photo by David J. Stang, via Wikimedia Commons (CC BY-SA 4.0)

A tidy dome of small leaves covered in upturned, cup-shaped, violet-blue flowers, large for the size of the plant, for most of the summer.

Size
8 in tall, 12 in wide
Zones
3 to 8
Light
Full sun to part sun
Flowers
Late June to late August
Pets
No toxicity recorded
Job in a bed
Edging

A bed built around Carpathian bellflower 'Blue Clips'

The planner designed this bed around Carpathian bellflower 'Blue Clips' when this page was made: a 12 × 6 ft (3.7 × 1.8 m) English border in zone 6, full sun. It chose the other plants from the 966 that suit those conditions, and says below why Carpathian bellflower 'Blue Clips' stands where it does.

A 12 × 6 ft (3.7 × 1.8 m) bed at eye level in late July: Carpathian bellflower 'Blue Clips', Winter heath, False sunflower 'Summer Sun', Tatarian aster 'Jindai', Silver sage, Eastern bee balm, Hardy gladiolus, Red spider lily.
A 12 × 6 ft (3.7 × 1.8 m) English border in zone 6, full sun, seen from the path in late July.
4. Tatarian aster 'Jindai'44. Tatarian aster 'Jindai'44. Tatarian aster 'Jindai'43. False sunflower 'Summer Sun'33. False sunflower 'Summer Sun'33. False sunflower 'Summer Sun'35. Silver sage52. Winter heath22. Winter heath22. Winter heath22. Winter heath22. Winter heath21. Carpathian bellflower 'Blue Clips'11. Carpathian bellflower 'Blue Clips'11. Carpathian bellflower 'Blue Clips'12. Winter heath22. Winter heath24. Tatarian aster 'Jindai'47. Hardy gladiolus7. Hardy gladiolus1. Carpathian bellflower 'Blue Clips'11. Carpathian bellflower 'Blue Clips'11. Carpathian bellflower 'Blue Clips'11. Carpathian bellflower 'Blue Clips'11. Carpathian bellflower 'Blue Clips'16. Eastern bee balm66. Eastern bee balm66. Eastern bee balm67. Hardy gladiolus7. Hardy gladiolus8. Red spider lily8. Red spider lily8. Red spider lily8. Red spider lily8. Red spider lily8. Red spider lily8. Red spider lily
From above, to scale. Each circle is one plant, as wide as the room it needs.

The plants

  1. 2 Winter heath × 7, pink
  2. 3 False sunflower 'Summer Sun' × 3, yellow
  3. 4 Tatarian aster 'Jindai' × 4, purple
  4. 5 Silver sage × 1, silver leaves
  5. 6 Eastern bee balm × 3, pink
  6. 7 Hardy gladiolus × 4, pink
  7. 8 Red spider lily × 7, red

Why this plant

  • The only open bowls. The others are bells, daisies, globes and others. Shape reads at a distance, where colours blur.
  • The only blue.

Why here

  • On the front edge. At 8 in it frames the bed without hiding it, and it is in leaf all season. It finishes 33% of the edge.
  • 8 plants in 2 runs (5 and 3). Runs of different lengths make the edge a frame, not a ruled line.

Why now

  • In flower for 10 weeks. From late June to late August.
  • Fills a gap. For one of those weeks nothing else on the plan is in flower.

Planned as an English border: 6 of the 6 groups (100%) are drifts, longer along the bed than they are deep. Pink runs through the planting: 3 of the 7 kinds grown for their flowers have it. The back corners are held by Tatarian aster 'Jindai' and false sunflower 'Summer Sun', the tallest plants on the plan.

The planner's own design check: 13 Excellent, 4 Good. It flags one thing to watch: Nothing on this plan is highly poisonous or an aggressive spreader.

Open this bed in the planner Change its size, the sun or the style, move plants about, or swap one for another.

Where Carpathian bellflower 'Blue Clips' goes in a border

At 8 in it belongs at the front of a bed. In the planner's ten height classes it is low (6 to 12 in).

Its job: edging. A low, neat plant used in short runs of three or five along the front to finish the edge (or, in a formal bed, in one even row).

The standard edging bellflower, sold everywhere and deservedly. Removing spent flowers keeps it going for months. It dislikes hot, humid nights and wet winter soil.

  • Edging
  • Containers
  • Rock gardens

What to plant with Carpathian bellflower 'Blue Clips'

Plants recorded as good partners for it, and what each pairing does:

Questions about Carpathian bellflower 'Blue Clips'

Does Carpathian bellflower 'Blue Clips' need sun or shade?

Carpathian bellflower 'Blue Clips' grows in full sun (6 or more hours of direct sun a day) and part sun (4 to 6 hours of sun, including some afternoon sun).

It wants ordinary well-drained soil, of average fertility, and a good soak in dry spells.

What zones does Carpathian bellflower 'Blue Clips' grow in?

USDA zones 3 to 8. It is hardy to zone 3, which means it survives winter nights down to about −30 °F (−34 °C).

Above zone 8 it struggles: the zones measure winter cold, but a plant's top zone usually means the summers are too hot or the winters too mild for it to rest.

Gardening in Canada? Use the USDA zone for your town: Canada's own zone map uses different numbers.

When does Carpathian bellflower 'Blue Clips' flower in my zone?

In zone 5 it flowers late June to late August. As a summer flower it moves about half a week for every zone: earlier where it is warmer.

Roughly when Carpathian bellflower 'Blue Clips' is in flower
Zone 3Late June to late August
Zone 4Late June to late August
Zone 5Late June to late August
Zone 6Late June to late August
Zone 7Mid June to mid August
Zone 8Mid June to mid August

Worked out from Hopkins' bioclimatic law: spring arrives about four days later for each degree of latitude north, and one zone is roughly two degrees. A warm spring or a cold one moves any garden two weeks either way.

How far apart should Carpathian bellflower 'Blue Clips' be planted?

10 in (25 cm) apart, from the middle of one plant to the middle of the next. That is a little closer than its full width of 12 in (30 cm), so a group knits into one patch.

It grows 8 in (20 cm) tall. Give it the full distance from anything taller, or it will lean out towards the light.

How many Carpathian bellflower 'Blue Clips' plants do I need?

At 10 in apart, set out in staggered rows:

  • 17 to fill 10 square feet (about 1 m²)
  • 13 for a single row 10 ft (3 m) long
  • 55 to fill a 4 × 8 ft bed on its own

In a mixed border, plant it as runs of three or five along the front (or one even row, in a formal bed).

In the bed above, the planner used eight in two groups.

Is Carpathian bellflower 'Blue Clips' poisonous to dogs and cats?

No toxicity is recorded for dogs, cats, horses or people, according to NC State Extension.

"Not toxic" is not "edible": a pet that eats a lot of any plant can be sick.

Is there a native plant like Carpathian bellflower 'Blue Clips'?

Carpathian bellflower 'Blue Clips' comes from native to the Carpathian Mountains in Europe. These North American natives come closest to doing its job:

  • Coral bells 'Firefly': the same job in a bed and the same size; flowers late May to late July, red, not blue.
  • Alpine aster: the same job in a bed and the same size; flowers mid May to late June, purple, lavender or pink, not blue.

Matched the way the planner's Swap button matches plants: the same job in a bed, then size, then flowering time.

Do deer eat Carpathian bellflower 'Blue Clips'?

Mostly not. NC State lists it as resistant to deer and rabbits. No plant is proof against a hungry deer in a hard winter, but this one is low on the menu.

What flowers after Carpathian bellflower 'Blue Clips'?

Carpathian bellflower 'Blue Clips' is over by late August. These start as it finishes and carry the same spot on, so it never goes flat:

What does Carpathian bellflower 'Blue Clips' look like in winter?

Carpathian bellflower 'Blue Clips' dies down to the ground and there is nothing to see until spring. The old stems can be cut in autumn, or left until spring as shelter for overwintering insects.

Is Carpathian bellflower 'Blue Clips' good for bees and butterflies?

Carpathian bellflower 'Blue Clips' is visited by pollinators, bees, butterflies and hummingbirds.

More Campanula

In these guides

Zone guides: Zone 3 · Zone 4 · Zone 5 · Zone 6 · Zone 7 · Zone 8

In flower in: June · July · August

Every fact on record

Type
Perennial
Size
8 in (20 cm) tall, 12 in (30 cm) wide
Plant
10 in (25 cm) apart
Height class
Low (6 to 12 in)
Place in the bed
Front
Flowers
Late June to late August; open bowls; blue
Leaves
Medium texture, herbaceous; green
Shape
Mounding, clumping
Hardy in
USDA zones 3 to 8
Light
Full sun, part sun
Soil
Average, well-drained
Water
Moderate
Feeding
Light, in spring
Family
Campanulaceae
Comes from
native to the Carpathian Mountains in Europe
Attracts
Pollinators, bees, butterflies, hummingbirds
Stands up to
Deer, rabbits, poor soil

Checked against NC State Extension and VASCAN (plants of Canada). Flowering times are for zone 5: later in colder zones, earlier in warmer ones. Toxicity and spread information is a general gardening guide, not veterinary or medical advice, and invasive status varies by region. If a person or pet eats a plant, contact poison control or a vet. Check your local invasive species list before planting anything with a spread warning.