North America Native Plant

Yellow Coralroot

Botanical name: Corallorhiza trifida

USDA symbol: COTR18

Life cycle: perennial

Habit: forb

Native status: Native to Alaska âš˜ Native to Canada âš˜ Native to Greenland âš˜ Native to the lower 48 states âš˜ Native to St. Pierre and Miquelon  

Synonyms: Corallorrhiza corallorrhiza (L.) Karst., orth. var., nom. inval. (COCO23)  âš˜  Corallorhiza corallorhiza (L.) Karst., nom. inval. (COCO40)  âš˜  Corallorrhiza trifida Chatelain, orth. var. (COTR3)  âš˜  Corallorrhiza trifida Chatelain var. verna (Nutt.) Fernald, orth. var. (COTRV)  âš˜  Corallorhiza trifida Chatelain var. verna (Nutt.) Fernald (COTRV2)   

Yellow Coralroot: The Mysterious Ghost Orchid You Can’t (and Shouldn’t) Grow Meet one of North America’s most enigmatic native orchids – the yellow coralroot (Corallorhiza trifida). This peculiar little plant might just change how you think about what makes a garden plant desirable. Spoiler alert: sometimes the best garden plants ...

Rare plant alert!

Region: New Jersey

Status: Highlands Listed, S2: New Jersey Highlands region ⚘ Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘

Yellow Coralroot: The Mysterious Ghost Orchid You Can’t (and Shouldn’t) Grow

Meet one of North America’s most enigmatic native orchids – the yellow coralroot (Corallorhiza trifida). This peculiar little plant might just change how you think about what makes a garden plant desirable. Spoiler alert: sometimes the best garden plants are the ones you leave exactly where nature intended them to be.

What Makes Yellow Coralroot So Special?

Yellow coralroot is a perennial orchid that belongs to a fascinating group of plants known as ghost orchids – and for good reason. Unlike most plants that produce their own food through photosynthesis, this clever little survivor has ditched that energy-intensive process entirely. Instead, it forms intricate partnerships with soil fungi, essentially living as nature’s ultimate house guest.

This forb (a non-woody flowering plant) produces small spikes of 6-15 pale yellow-green to whitish flowers in late spring to early summer. While it may not win any beauty contests compared to your typical garden orchids, its understated charm lies in its mysterious lifestyle and ecological significance.

Where Yellow Coralroot Calls Home

This remarkable orchid has one of the most impressive native ranges you’ll find. It’s truly a North American native, found from Alaska down through Canada and across much of the lower 48 states. You can spot it growing naturally in states from California to Maine, and from Montana down to New Mexico, plus many provinces throughout Canada including the northern territories.

A Word of Caution: Rarity Matters

Before you get any ideas about transplanting this beauty, here’s something important to know: yellow coralroot has a rarity status of S2 in New Jersey, meaning it’s considered imperiled in that state. This classification reminds us that even widespread native plants can face local pressures and deserve our respect and protection.

Why You Can’t (and Shouldn’t) Grow Yellow Coralroot

Here’s where yellow coralroot gets really interesting – and why it’s not destined for your garden bed. This orchid has evolved such specific relationships with soil fungi that attempting to cultivate it is essentially impossible. It requires:

  • Very specific mycorrhizal fungi partners that exist naturally in undisturbed forest soils
  • The complex ecosystem of mature coniferous or mixed forests
  • Moist, shaded conditions with rich organic matter
  • Years of established soil biology that simply can’t be replicated in gardens

Even if you could somehow recreate these conditions, harvesting this orchid from the wild would be both ecologically harmful and likely illegal in many areas, especially given its rarity status in some regions.

Appreciating Yellow Coralroot in Its Natural Habitat

Instead of bringing yellow coralroot to your garden, consider making a pilgrimage to see it in its natural environment. Look for it in:

  • Moist, shaded areas of coniferous forests
  • Mixed woodlands with rich, organic soil
  • Areas with consistent moisture but good drainage
  • Elevations from sea level up to montane regions (depending on your location)

The plant typically grows 4-12 inches tall and thrives in USDA hardiness zones 2-7, showing its preference for cooler climates.

Wetland Connections

Yellow coralroot has an interesting relationship with moisture. Depending on your region, it’s classified as either facultative wetland (usually found in wetlands but can occur elsewhere) or simply facultative (equally at home in wet and dry areas). This flexibility in moisture tolerance is part of what makes it so widely distributed across North America.

Creating Orchid-Friendly Spaces Instead

While you can’t grow yellow coralroot, you can create garden conditions that support other native orchids and the ecosystem services that benefit mysterious plants like this one:

  • Preserve and protect existing mature trees and their root zones
  • Avoid disturbing forest floors and natural leaf litter
  • Plant native trees and shrubs to create the forest understory conditions many native orchids prefer
  • Support local conservation efforts that protect natural habitats

The Bigger Picture

Yellow coralroot serves as a beautiful reminder that not every amazing native plant belongs in our gardens – and that’s perfectly okay. Some plants are meant to be wild ambassadors for the complex, interconnected ecosystems that support incredible biodiversity.

Instead of trying to possess this ghostly beauty, we can appreciate it for what it teaches us about the intricate relationships that exist in healthy ecosystems. Sometimes the best way to garden with native plants is to protect the places where they naturally thrive.

The next time you’re hiking through a northern forest and spot a small spike of pale yellow flowers rising mysteriously from the forest floor, take a moment to appreciate yellow coralroot’s incredible story. It’s a living reminder that nature’s best partnerships often happen underground, out of sight, but never out of mind for those who know where to look.

Yellow Coralroot

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Liliidae

Order

Orchidales

Family

Orchidaceae Juss. - Orchid family

Genus

Corallorhiza Gagnebin, orth. cons. - coralroot

Species

Corallorhiza trifida Chatelain - yellow coralroot

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