Clove-scented Broomrape (Orobanche caryophyllacea)

Clove-scented Broomrape

Orobanche caryophyllacea

It blooms with clove-scented purple spires, a parasitic beauty of grasslands. Root parasitic perennial; common name: Clove-scented Broomrape.

Partial sun
0/week
Moderate
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Plant Needs

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Sunlight Prefers partial sun to dappled shade; avoids intense direct midday sun that may dry out host plant roots
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Watering Obtains all moisture from host plant roots; no direct watering is required
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Temperature Thrives in cool to temperate temperatures; avoid extreme heat above 28°C that may stress host plants
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Characteristics

  • Leaf: Reduced to small, scale-like non-photosynthetic structures along the upright stem
  • Flower: Dense terminal spike of purple to pinkish-lavender tubular blooms with strong clove-like fragrance
  • Stem: Pale brown to purplish, unbranched, smooth surface without foliage
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Care Guide

Watering

No direct watering; relies entirely on host plant for moisture

Fertilization

No fertilization required; obtains all nutrients from host plant. Avoid applying fertilizers as they may harm the host plant and disrupt the parasitic relationship

N/A:No fertilization is needed as the plant parasitizes host plants for all nutritional requirements
Pruning
  • Remove spent flower spikes after blooming to prevent unwanted self-seeding if desired
  • Avoid disturbing soil around host plants to protect the delicate parasitic root system
  • Trim damaged or discolored stems to maintain the plant's upright appearance
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: No documented toxicity to cats per ASPCA records

Humans: No documented toxicity to humans

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Garden Uses & Culture

Culture: N/A

Usage: N/A