Ivy Broomrape (Orobanche hederae)

Ivy Broomrape

Orobanche hederae

A stealthy parasitic guest on ivy, drawing sustenance without fanfare. Root holoparasite; common name: ivy broomrape.

Partial sun
0/week
Moderate
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Plant Needs

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Sunlight Prefers dappled shade matching its host ivy’s growing conditions; avoids intense direct sunlight
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Watering Obtains all water and nutrients from its host Hedera species; no direct watering required
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Temperature Tolerates cool temperate conditions; cannot survive frost below -5°C or prolonged extreme heat
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Characteristics

  • Leaf: Reduced to non-photosynthetic scale-like bracts along the stem
  • Flower: Tubular, pale lilac to purple blooms clustered at the stem apex
  • Stem: Pale brown to purplish, succulent, lacking functional foliage
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Care Guide

Watering

No direct watering; relies entirely on host ivy’s moisture uptake

Fertilization

No fertilization needed; nutrients are stolen from host ivy. Fertilize the host ivy as usual to support both plants

N/A:No DIY fertilizers required; all nutrients are obtained from the host plant
Pruning
  • Remove overcrowded broomrape stems only if the host ivy shows signs of stress
  • Trim spent flower heads after blooming to limit excessive seed dispersal
  • Avoid digging near host ivy roots to prevent damaging the parasite’s attachment points
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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: N/A