Arctic Bellflower (Campanula uniflora)

Arctic Bellflower

Campanula uniflora

Delicate alpine bloom thriving in rocky tundra. Compact perennial herb; common names: Arctic Bellflower, Single-flowered Bellflower.

Full sun
1–2/week
Moderate
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Plant Needs

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Sunlight Full sun to partial shade; tolerates intense Arctic sunlight and cool, overcast conditions
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Watering Keep soil consistently moist but well-drained; avoid waterlogging in rocky, porous substrates
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Temperature Extremely cold-hardy; prefers cool temperatures below 15°C and tolerates Arctic frost
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Characteristics

  • Leaf: Small, linear to spatulate basal rosette leaves with smooth margins
  • Flower: Solitary, nodding, bell-shaped pale blue to white blooms
  • Stem: Slender, erect stems with minimal stem foliage
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Care Guide

Watering

Maintain even soil moisture; mist occasionally in dry, windy conditions

Fertilization

Diluted low-nitrogen feed once every 6 weeks. Use only minimal fertilization to match low-nutrient alpine soil conditions

Crushed eggshell powder:Sprinkle a thin layer around the plant base; avoid direct contact with foliage to prevent potential burning
Pruning
  • Deadhead spent blooms to encourage occasional late-season reblooming
  • Trim back faded foliage in late autumn to promote healthy spring growth
  • Remove damaged or diseased leaves to maintain plant vigor and reduce rot risk
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA-verified non-toxic; no risk of poisoning for cats

Humans: Non-toxic to humans; no known adverse effects from ingestion or contact

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental alpine garden plant; provides nectar for Arctic pollinators