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Choose your climateBased on winter hardiness only.

Perennial · Campanulaceae family

Tussock bellflower

Campanula carpatica

Full sun to part shade 3⅞ in–11¾ in × 3⅞ in–11¾ in Flowers May–July to −104 °F
Flower colors Click a color

In short a 10-second read

SunFull sun to part shade
Size3⅞ in–11¾ in
spacing 13¾ in
FlowersMay–July
PlantingApril–May
WinterNo winter protection

Where to plant and how much to water

Sun, soil and water.

It grows best in full sun to part shade, in average to moist soil.

Sun

Sun6 hours or more
Part shade3–6 hours
Shadeunder 3 h

Soil

tolerates any pH
acidicneutralalkaline
average to moistsandyloamy

Watering

only in dry spellsdo not waterlogless when it rains

Frost

−104 °F
no winter protectiondies back in winter, regrows in spring

How much space it takes

Mature size.

The mature plant next to a person (69 in).

19¾ in3 ft 3⅜ in4 ft 11 in3⅞ in–11¾ inspread 3⅞ in–11¾ in
3⅞ in–11¾ in× spread 3⅞ in–11¾ in

Plant 13¾ in apart.

Reaches maturity in about 2–5 years. The final size depends on the cultivar and the spot — we give the range from smallest to largest.

Calendar

Through the year.

Typical for a temperate climate (four seasons). The line shows the current month.

The year at a glance

Flowers: JanuaryFlowers: FebruaryFlowers: MarchFlowers: AprilFlowers: MayFlowers: JuneFlowers: JulyFlowers: AugustFlowers: SeptemberFlowers: OctoberFlowers: NovemberFlowers: DecemberPlanting: JanuaryPlanting: FebruaryPlanting: MarchPlanting: AprilPlanting: MayPlanting: JunePlanting: JulyPlanting: AugustPlanting: SeptemberPlanting: OctoberPlanting: NovemberPlanting: DecemberFeeding: JanuaryFeeding: FebruaryFeeding: MarchFeeding: AprilFeeding: MayFeeding: JuneFeeding: JulyFeeding: AugustFeeding: SeptemberFeeding: OctoberFeeding: NovemberFeeding: DecemberJanFebMarAprMayJunJulAugSepOctNovDec
FlowersPlantingFeeding
Now, in October: nothing to do — the next job is in April.
JanFebMarAprMayJunJulAugSepOctNovDec

Flowers

JanFebMarAprMayJunJulAugSepOctNovDec

May–July · blue, purple or white

Planting

JanFebMarAprMayJunJulAugSepOctNovDec

container plant: April–May

Feeding

JanFebMarAprMayJunJulAugSepOctNovDec

March–May

Feeding

Nutrition.

Light
balanced fertilizercompost or mulch
JanFebMarAprMayJunJulAugSepOctNovDec

Pests and diseases

Common problems and what to do.

The most common problems in Central Europe. Protection is listed from the gentlest option.

What you will see

Irregular holes in soft leaves and young shoots and slime trails; they feed at night.

How to protect

  1. Prevention
    • Plant sturdy potted plants, not delicate young seedlings.
    • Water in the morning, not the evening (evening watering helps them move around).
    • Encourage their natural enemies: birds, hedgehogs, toads, ground beetles.
  2. By hand evening, after rainPick them off by hand on damp evenings and take them far away. Traps: hollowed-out citrus halves placed cut side down, or sunken containers of beer; check in the morning.
  3. Biological when the soil is warm and moistSlug-specific nematodes (from a biological control supplier) are watered into the soil.
  4. Chemical — only when nothing else helps according to the product labelLast resort only: a product authorized in your country against slugs and snails. Try non-chemical methods first.
Slugs and snailspest

What you will see

Irregular holes in soft leaves and young shoots and slime trails; they feed at night.

How to protect

  1. Prevention
    • Plant sturdy potted plants, not delicate young seedlings.
    • Water in the morning, not the evening (evening watering helps them move around).
    • Encourage their natural enemies: birds, hedgehogs, toads, ground beetles.
  2. By hand evening, after rainPick them off by hand on damp evenings and take them far away. Traps: hollowed-out citrus halves placed cut side down, or sunken containers of beer; check in the morning.
  3. Biological when the soil is warm and moistSlug-specific nematodes (from a biological control supplier) are watered into the soil.
  4. Chemical — only when nothing else helps according to the product labelLast resort only: a product authorized in your country against slugs and snails. Try non-chemical methods first.
More about this problem

What you will see

White powdery coating on leaves, stems and flowers; leaves may become distorted.

How to protect

  1. Prevention
    • Destroy fallen infected leaves in fall; do not over-feed, and protect from drought (stress invites powdery mildew).
  2. By hand fallPrune out infected shoots early and destroy fallen leaves.
Powdery mildewsdisease

What you will see

White powdery coating on leaves, stems and flowers; leaves may become distorted.

How to protect

  1. Prevention
    • Destroy fallen infected leaves in fall; do not over-feed, and protect from drought (stress invites powdery mildew).
  2. By hand fallPrune out infected shoots early and destroy fallen leaves.
More about this problem

What you will see

Pale spots on leaves that turn into spore pustules mainly on the underside of leaves (orange, yellow, brown, black or white); in severe attacks yellowing and early leaf drop.

How to protect

  1. Prevention
    • Grow in warmth, sun and free-draining soil; tarragon dislikes damp, so do not overwater.
    • Clear fallen leaves, remove diseased parts quickly, clean tools and weed.
    • Do not over-feed with nitrogen — soft new growth is quickly attacked.
  2. By handFor light attacks, strip off affected leaves early; remove large amounts carefully. Do not compost summer/fall debris (spores overwinter).
  3. Chemical — only when nothing else helpsFungicides are not recommended; for edible crops, gardeners have no fungicides available with good efficacy against rust.
Rustsdisease

What you will see

Pale spots on leaves that turn into spore pustules mainly on the underside of leaves (orange, yellow, brown, black or white); in severe attacks yellowing and early leaf drop.

How to protect

  1. Prevention
    • Grow in warmth, sun and free-draining soil; tarragon dislikes damp, so do not overwater.
    • Clear fallen leaves, remove diseased parts quickly, clean tools and weed.
    • Do not over-feed with nitrogen — soft new growth is quickly attacked.
  2. By handFor light attacks, strip off affected leaves early; remove large amounts carefully. Do not compost summer/fall debris (spores overwinter).
  3. Chemical — only when nothing else helpsFungicides are not recommended; for edible crops, gardeners have no fungicides available with good efficacy against rust.
More about this problem

What you will see

Brown to black spots on leaves; leaves turn yellow early.

How to protect

  1. Prevention
    • Remove old leaves before they infect the new season.
    • Do not wet the leaves when watering; keep the plant unstressed.
  2. By hand after the first spots; in fallRemove affected leaves at once and destroy them; collect fallen leaves in fall.
Leaf spotsdisease

What you will see

Brown to black spots on leaves; leaves turn yellow early.

How to protect

  1. Prevention
    • Remove old leaves before they infect the new season.
    • Do not wet the leaves when watering; keep the plant unstressed.
  2. By hand after the first spots; in fallRemove affected leaves at once and destroy them; collect fallen leaves in fall.
More about this problem
Sources (8)

Frequently asked

Quick answers.

When does tussock bellflower flower?

In May–July; the flowers are blue, purple or white.

Does tussock bellflower tolerate shade?

It tolerates part shade (3–6 hours of sun), but not full shade.

How much space does tussock bellflower need?

At maturity 3⅞ in–11¾ in wide and 3⅞ in–11¾ in tall; recommended spacing 13¾ in.

Slugs and snails — what can you do?

Plant sturdy potted plants, not delicate young seedlings. Pick them off by hand on damp evenings and take them far away. Traps: hollowed-out citrus halves placed cut side down, or sunken containers of beer; check in the morning.

Powdery mildews — what can you do?

Destroy fallen infected leaves in fall; do not over-feed, and protect from drought (stress invites powdery mildew). Prune out infected shoots early and destroy fallen leaves.

Sources (10) Checked 24 October 2026

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