Kernler's Lousewort (Pedicularis kerneri)

Kernler's Lousewort

Pedicularis kerneri

It bears delicate spires of pink-purple blooms, a charming alpine wildflower. Perennial herbaceous wildflower; common name: Kernler's Lousewort.

Full sun
2/week
Moderate
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Plant Needs

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Sunlight Full sun to partial shade; adapted to high-altitude bright, cool conditions
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Watering Keep soil consistently moist but well-drained; avoid standing water in root zone
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Temperature Hardy to freezing temperatures; avoid prolonged heat above 22°C to prevent stress
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Characteristics

  • Leaf: Basal rosette of lanceolate, serrated gray-green leaves with fine fuzzy texture
  • Flower: Dense terminal spikes of tubular pink-purple two-lipped corollas
  • Stem: Slender, hairy upright stems rising from the basal rosette
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Care Guide

Watering

Keep soil evenly moist; water when top 1 cm of substrate dries

Fertilization

Diluted balanced feed once every 4 weeks. Use low-strength fertilizer to avoid burning sensitive root systems

Eggshell powder topdress:Grind dried eggshells to fine powder; sprinkle thin layer on soil surface; avoid direct contact with plant roots to prevent irritation
Pruning
  • Deadhead spent blooms to prevent unwanted self-seeding if desired
  • Trim back yellowing basal foliage in late autumn to maintain tidy clumps
  • Remove damaged or diseased stems promptly to reduce pest and disease risk
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA has no listed toxic effects for cats

Humans: No known toxic effects to humans with typical handling or accidental ingestion

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental rock garden plant; occasional traditional alpine folk medicinal use