Hairy Broomrape (Orobanche pubescens)

Hairy Broomrape

Orobanche pubescens

It steals nutrients from host roots as a parasitic wildflower, a subtle interloper in grasslands. Parasitic herbaceous perennial; common name: Hairy Broomrape.

Full sun
0/week
Moderate
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Plant Needs

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Sunlight Requires full to partial sun exposure; dependent on a compatible host plant (typically legumes) for survival
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Watering No direct watering required; obtains all moisture from host plant root systems
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Temperature Thrives in cool to temperate climates; dormant during freezing winter temperatures
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Characteristics

  • Leaf: Reduced to scale-like, non-photosynthetic bracts along the erect stem
  • Flower: Dense terminal spike of tubular purplish-pink to white blooms, covered in fine pubescence
  • Stem: Fleshy, pale brown to purplish, fully pubescent with no chlorophyll
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Care Guide

Watering

No direct watering; relies entirely on host plant water uptake

Fertilization

No fertilization required; obtains all nutrients from host plant. Fertilizer application is unnecessary and may harm the host plant

N/A:No DIY fertilizers needed; plant obtains all nutrients from host
Pruning
  • Remove spent flower spikes after blooming to limit self-seeding if desired
  • Avoid disturbing the host plant's root system during maintenance
  • Clear competing weeds that may stress the host plant
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: No listed toxicity to cats

Humans: No known toxicity to humans

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Garden Uses & Culture

Culture: N/A

Usage: N/A