Italian Woundwort (Stachys ocymastrum)

Italian Woundwort

Stachys ocymastrum

Fuzzy purple spikes bring cottage garden charm. Perennial herbaceous plant; common name: Italian Woundwort.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Full sun to partial shade; tolerate dappled afternoon shade in hot Mediterranean climates
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Watering Water deeply when the top 2–3 cm of soil is dry; avoid overwatering to prevent root rot
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Temperature Hardy to -10°C; tolerate moderate summer heat, avoid prolonged exposure above 32°C
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Characteristics

  • Leaf: Ovate to lanceolate, softly hairy, serrated margins, green to gray-green foliage
  • Flower: Dense terminal spikes of small purple to pink tubular blooms with two-lipped corollas
  • Stem: Square, hairy, upright branching stems typical of the mint family
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Care Guide

Watering

Keep soil consistently moist but not waterlogged

Fertilization

Diluted balanced feed every 4 weeks. Avoid over-fertilization to prevent leggy growth

Banana peel compost tea:Compost banana peels for 2 weeks, steep in water for 24 hours, dilute 1:20 for root drench to support flowering
Pruning
  • Deadhead spent blooms to encourage extended flowering through late summer
  • Cut back stems to ground level in late autumn to promote vigorous new growth in spring
  • Thin crowded stems in early spring to improve airflow and reduce fungal disease risk
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: No listed toxicity to cats

Humans: No documented toxic effects for humans

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental garden plant; historically used in traditional medicine for wound care