Alpine Calamint (Clinopodium alpinum)

Alpine Calamint

Clinopodium alpinum

Tiny purple blooms carpet alpine slopes, a delicate pollinator magnet. Low-growing perennial herb; common name: alpine calamint.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Prefers full sun to partial shade; tolerates cool alpine sunlight and mild summer shade
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Watering Keep soil evenly moist but well-drained; avoid waterlogging to prevent root rot
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Temperature Hardy to subzero alpine temperatures; avoids prolonged hot, humid conditions
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Characteristics

  • Leaf: Small, oval to lanceolate, aromatic gray-green foliage with fine hairs
  • Flower: Tiny tubular purple to pale pink blooms in dense whorls at stem nodes
  • Stem: Slender, creeping or ascending stems covered in soft fine hairs
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Care Guide

Watering

Keep soil consistently moist, not waterlogged

Fertilization

Diluted balanced liquid feed once monthly. Use low-nitrogen feed to promote compact growth and flowering

Crushed eggshell topdress:Crush dried eggshells to fine powder; dust lightly on soil surface to boost drainage and add calcium without risk of over-fertilization
Pruning
  • Deadhead spent blooms promptly to extend the flowering period
  • Trim back faded foliage in late autumn to tidy the plant and encourage new spring growth
  • Thin overcrowded mats in early spring to improve airflow and reduce disease risk
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA-verified non-toxic to cats; no known adverse effects

Humans: Non-toxic to humans; aromatic leaves may be used in herbal teas in small quantities

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental rock garden plant; aromatic leaves used in small quantities for herbal teas and potpourri