North America Non-native Plant

Nodding Broomrape

Botanical name: Orobanche cernua

USDA symbol: ORCE

Habit: forb

Native status: Not native but doesn't reproduce and persist in the wild

Nodding Broomrape: A Parasitic Plant You Don’t Want in Your Garden If you’ve stumbled across the term nodding broomrape while researching plants for your garden, here’s some important information that might save you from making a costly mistake. Orobanche cernua, commonly known as nodding broomrape, is not your typical garden-friendly ...

Noxious plant alert!

Nodding Broomrape: A Parasitic Plant You Don’t Want in Your Garden

If you’ve stumbled across the term nodding broomrape while researching plants for your garden, here’s some important information that might save you from making a costly mistake. Orobanche cernua, commonly known as nodding broomrape, is not your typical garden-friendly native plant – in fact, it’s quite the opposite.

What Exactly Is Nodding Broomrape?

Nodding broomrape is a parasitic forb that belongs to a rather notorious family of plants. Unlike most plants that create their own food through photosynthesis, this sneaky species has evolved to steal nutrients directly from other plants’ roots. It’s essentially the botanical equivalent of a freeloader that moves into your garden and starts mooching off your other plants.

As a forb, nodding broomrape lacks significant woody tissue and produces herbaceous growth that dies back seasonally. However, don’t let its seemingly innocent herbaceous nature fool you – this plant can cause serious damage to your garden and agricultural crops.

Why You Should Avoid This Plant

Warning: Nodding broomrape is classified as a noxious weed in the United States. This official designation means it’s recognized as harmful to agriculture, ecosystems, or public health. Here’s why you should steer clear:

  • It parasitizes the roots of other plants, weakening or killing host species
  • It can significantly reduce crop yields in agricultural settings
  • Once established, it’s extremely difficult to control or eliminate
  • It produces thousands of tiny seeds that can remain viable in soil for years
  • It’s not native to North America, making it an unwelcome invader

Geographic Distribution and Spread

Originally native to Europe and western Asia, nodding broomrape has unfortunately found its way to various parts of North America. Its parasitic lifestyle allows it to spread wherever suitable host plants are present, making it a particular threat to agricultural regions.

Identifying Nodding Broomrape

If you suspect you might have nodding broomrape on your property, here are the key identifying features to look for:

  • Yellowish-brown to purplish stems that emerge from the soil
  • Small, tubular flowers arranged along the stem
  • Complete lack of green leaves (since it doesn’t photosynthesize)
  • Growth near the base of other plants, particularly legumes
  • Stems that may appear to nod or bend, giving it its common name

What to Do If You Find It

If you discover nodding broomrape on your property, don’t panic, but do take action quickly:

  • Contact your local agricultural extension office for guidance
  • Avoid disturbing the soil around infected areas to prevent seed spread
  • Never compost any plant material that might be infected
  • Follow official recommendations for treatment and removal

Better Alternatives for Your Garden

Instead of risking the introduction of this problematic species, consider these native alternatives that will actually benefit your garden ecosystem:

  • Native wildflowers that support local pollinators
  • Indigenous grasses that provide habitat for wildlife
  • Regional native shrubs that offer food and shelter for birds

The Bottom Line

While the world of native plants offers countless wonderful options for gardeners, nodding broomrape definitely isn’t one of them. Its noxious weed status and parasitic nature make it a plant to avoid at all costs. Focus your gardening energy on true native species that will enhance rather than harm your local ecosystem.

Remember, responsible gardening means being informed about what we’re planting and choosing species that contribute positively to our environment. In the case of nodding broomrape, the best choice is simply to say no.

Nodding Broomrape

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Scrophulariales

Family

Orobanchaceae Vent. - Broom-rape family

Genus

Orobanche L. - broomrape

Species

Orobanche cernua Loefl. [excluded] - nodding broomrape

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA