Red Bartsia (Odontites vernus)

Red Bartsia

Odontites vernus

Vibrant red spikes add meadow charm, a hardy hemiparasitic wildflower. Annual herbaceous plant; common name: red bartsia.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Full sun to partial shade; thrives in open grassy areas and meadows
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Watering Tolerates dry conditions; water only during prolonged droughts to avoid root rot
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Temperature Hardy to moderate frosts; prefers cool temperate growing conditions
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Characteristics

  • Leaf: Opposite, linear to lanceolate leaves with toothed margins, pale green
  • Flower: Dense terminal spikes of bright red to pink tubular bilabiate flowers
  • Stem: Erect, hairy, occasionally branching near the base
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Care Guide

Watering

Water sparingly during extended dry periods; avoid overwatering

Fertilization

No regular fertilization required. Fertilization is unnecessary for its natural growth cycle

Banana peel compost tea:Only apply if growing in extremely poor soil; dilute 1:20 with water for root drenching to avoid nutrient burn
Pruning
  • Deadhead spent flower spikes to encourage prolonged blooming (optional)
  • Remove faded plants after flowering to control self-seeding if desired
  • Avoid heavy pruning as the plant has a compact, delicate growth habit
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: No known toxicity to cats (ASPCA unlisted)

Humans: No known toxicity to humans

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Garden Uses & Culture

Culture: N/A

Usage: Wildflower meadow restoration, pollinator support for bees and butterflies