Common Broomrape (Orobanche minor)

Common Broomrape

Orobanche minor

A parasitic wildflower that steals sustenance from host roots, delicate yet tenacious. Parasitic herbaceous annual; common name: Common Broomrape.

Full sun
0–1/week
Moderate
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Plant Needs

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Sunlight Prefers full sun to partial shade; adapted to open grasslands and agricultural field edges
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Watering Obtains nearly all moisture from host plant roots; requires minimal supplementary water only during extreme drought
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Temperature Thrives in cool to temperate temperatures; tolerates light spring frost but cannot survive hard freezes
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Characteristics

  • Leaf: Reduced to small, scale-like non-photosynthetic structures along upright stems
  • Flower: Tubular, pale purple to creamy white blooms clustered at the stem apex
  • Stem: Succulent, unbranched or sparsely branched, pale brown to purplish in color
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Care Guide

Watering

No supplementary watering required; relies entirely on host plant moisture uptake

Fertilization

No fertilization needed; obtains all nutrients from host plant roots. None

N/A
Pruning
  • Remove spent flower stems after blooming to limit excessive seed dispersal
  • Avoid disturbing host plant roots when managing broomrape populations
  • Clear competing weeds to reduce stress on host plants supporting broomrape
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: No documented toxicity to cats

Humans: No documented toxicity to humans

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Garden Uses & Culture

Culture: N/A

Usage: Considered an agricultural pest in legume and clover crops; has limited ornamental use