Bear's Ear Primrose (Primula auricula)

Bear's Ear Primrose

Primula auricula

Its rosettes of fuzzy leaves hold buttercup blooms like tucked treasures. Evergreen herbaceous perennial; common name: Bear's Ear Primrose.

Partial sun
1–2/week
Moderate
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Plant Needs

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Sunlight Bright indirect light or partial sun; avoid intense midday summer sun which can scorch the fuzzy leaf surfaces
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Watering Water when the top 2 cm of soil feels dry; water at the base of rosettes to prevent moisture buildup on fuzzy leaves
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Temperature Hardy to -5°C for outdoor overwintering; prefers cool growing temperatures between 10–20°C to avoid heat stress
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Characteristics

  • Leaf: Oval to obovate, fuzzy gray-green leaves arranged in tight basal rosettes; margins have fine, shallow teeth
  • Flower: Umbel clusters of 5–15 blooms in yellow, orange, pink, or purple; petals feature a contrasting pale white or yellow central eye
  • Stem: Short, rigid flowering stalks rise 10–20 cm above leaf rosettes to support bloom clusters
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Care Guide

Watering

Keep soil evenly moist but not waterlogged; avoid wetting foliage to prevent fungal growth

Fertilization

Diluted balanced liquid fertilizer every 2 weeks. Use a fertilizer with equal N-P-K ratios to promote both foliage and flower growth

Eggshell powder top-dress:Grind dried, rinsed eggshells into a fine powder; sprinkle 1 teaspoon per pot on the soil surface and gently work into the top 1 cm of soil to avoid disturbing roots
Pruning
  • Deadhead spent bloom stalks at the base to encourage additional flowering and prevent seed formation
  • Remove yellowing or damaged leaves from the rosette base to improve airflow and reduce disease risk
  • Trim back leggy foliage in early spring to promote compact, healthy rosette growth
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic; primin content causes oral irritation, hypersalivation, vomiting, and diarrhea

Humans: Contains primin, a skin irritant that may cause contact dermatitis in sensitive individuals; ingestion leads to mild gastrointestinal upset

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Garden Uses & Culture

Culture: Symbolizes youth, renewal, and resilience in European alpine folklore

Usage: Ornamental plant for rock gardens, alpine troughs, and cool indoor container displays