Common Vervain (Verbena officinalis)

Common Vervain

Verbena officinalis

It blooms in delicate spires, a soft splash of purple in wild meadows. Perennial herbaceous plant; common names: common vervain, holy herb.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Full sun to partial shade; thrives in bright, direct sunlight for most of the day; tolerates light afternoon shade in hot 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; tolerates warm summer temperatures up to 30°C; protect young plants from extreme frost
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Characteristics

  • Leaf: Opposite, lanceolate to ovate leaves with serrated margins; rough-textured
  • Flower: Tiny purple, pink, or white florets arranged in terminal spires
  • Stem: Square, hairy stems typical of the Verbenaceae family
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Care Guide

Watering

Keep soil evenly moist during active growth periods

Fertilization

Diluted balanced feed every 2 weeks. Stop fertilizing in early autumn to prepare the plant for winter dormancy

Banana peel tea:Soak chopped banana peels in water for 3 days; dilute the infusion 1:10 with water before applying as a root drench; discard solid peels to avoid odor and pest issues
Pruning
  • Deadhead spent flower spikes regularly to encourage continuous blooming throughout the growing season
  • Cut back stems to 10 cm above soil level in late autumn to promote vigorous new growth in spring
  • Thin overcrowded stems to improve airflow and reduce the risk of fungal diseases
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats; no reported adverse effects

Humans: No known toxic effects for humans when consumed in typical herbal or ornamental contexts

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Garden Uses & Culture

Culture: Associated with herbal medicine and ancient folklore; historically used in ritual practices

Usage: Ornamental wildflower for pollinator gardens; dried leaves used in herbal teas for mild relaxation