North America Native Plant

Yosemite Bog Orchid

Botanical name: Platanthera yosemitensis

USDA symbol: PLYO2

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Yosemite Bog Orchid: A Rare Jewel of California’s Wetlands Meet the Yosemite bog orchid (Platanthera yosemitensis), one of California’s most precious and elusive native wildflowers. This delicate perennial orchid is a true treasure of the Golden State’s mountain wetlands, though its rarity makes it more of a look but don’t ...

Rare plant alert!

Region: Conservation status by state

Status: S2: Status is uncertain but is somewhere between the following rankings: 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) ⚘

Yosemite Bog Orchid: A Rare Jewel of California’s Wetlands

Meet the Yosemite bog orchid (Platanthera yosemitensis), one of California’s most precious and elusive native wildflowers. This delicate perennial orchid is a true treasure of the Golden State’s mountain wetlands, though its rarity makes it more of a look but don’t touch kind of plant for most gardeners.

What Makes This Orchid Special

The Yosemite bog orchid is a charming forb that produces elegant spikes of small, greenish-white flowers that seem to glow in the dappled light of mountain meadows. As a member of the extensive Platanthera genus, it shares the family trait of intricate, almost ethereal blooms that have captivated botanists and nature lovers for generations.

This perennial herb lacks woody tissue above ground, instead emerging each year from underground structures to reach heights of 1-3 feet. Its growth habit is typical of forbs – herbaceous plants that form the backbone of many wildflower communities.

Where You’ll Find This Rare Beauty

The Yosemite bog orchid is endemic to California, making it a true Golden State original. This native species has carved out its niche in the state’s mountain regions, where it thrives in the cool, moist conditions of high-elevation wetlands.

A Conservation Concern

Important: Before you get too excited about adding this orchid to your garden, there’s something crucial you need to know. The Yosemite bog orchid carries a Global Conservation Status of S2, meaning it’s considered Imperiled. With typically only 6 to 20 known occurrences and somewhere between 1,000 to 3,000 individuals remaining, this species is extremely vulnerable to extinction.

This rarity status means that if you’re determined to grow this orchid, you must only use responsibly sourced material – never collect from wild populations. However, given its specialized needs and conservation status, most gardeners should consider appreciating this beauty in its natural habitat instead.

Habitat and Growing Conditions

The Yosemite bog orchid has earned its bog name honestly – it’s classified as Facultative Wetland in both the Arid West and Western Mountains regions. This means it usually occurs in wetlands but can occasionally be found in non-wetland areas.

In nature, you’ll find this orchid in:

  • Mountain meadows with consistent moisture
  • Boggy areas and seeps
  • Cool, partially shaded locations
  • Areas with rich, organic soils

Why This Orchid is Challenging for Home Gardeners

Let’s be honest – bog orchids aren’t your typical garden center find, and there are good reasons for that. These specialized plants have evolved complex relationships with soil fungi (mycorrhizae) that are nearly impossible to replicate in home gardens. They require very specific moisture levels, soil chemistry, and temperature ranges that mirror their mountain bog habitats.

For most gardeners, the Yosemite bog orchid falls into the admire in nature category rather than the grow at home category.

Supporting Pollinators (From Afar)

While we don’t have extensive data on the specific wildlife benefits of Platanthera yosemitensis, bog orchids in general are known to attract nocturnal pollinators, particularly moths. These specialized relationships between orchids and their pollinators are part of what makes these plants so fascinating – and so vulnerable when their habitats are disturbed.

Alternative Ways to Appreciate This Orchid

Instead of trying to grow the Yosemite bog orchid at home, consider these alternatives:

  • Support wetland conservation organizations working to protect bog orchid habitats
  • Create a bog garden with other, less rare California native wetland plants
  • Visit protected areas where these orchids naturally occur (always stay on designated trails)
  • Plant other native California orchids that are more suitable for cultivation

The Bottom Line

The Yosemite bog orchid represents the wild beauty of California’s mountain ecosystems – rare, specialized, and irreplaceable. While most of us won’t be growing this particular orchid in our backyards, we can appreciate its role in our state’s biodiversity and support efforts to protect the wetland habitats where it thrives.

Sometimes the best way to love a plant is to let it be wild and support the places where it naturally belongs. The Yosemite bog orchid is definitely one of those plants – a reminder that some of nature’s most beautiful creations are worth preserving exactly where they are.

Yosemite Bog Orchid

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

Platanthera Rich. - fringed orchid

Species

Platanthera yosemitensis Colwell, Sheviak & P.E. Moore - Yosemite bog orchid

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