North America Native Plant

Ash Meadows Lady’s Tresses

Botanical name: Spiranthes infernalis

USDA symbol: SPIN7

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Ash Meadows Lady’s Tresses: A Rare Desert Orchid Worth Protecting Meet one of North America’s rarest orchids: Ash Meadows lady’s tresses (Spiranthes infernalis). This tiny desert gem is as elusive as it is beautiful, and there’s a very important reason why you probably shouldn’t try to grow it in your ...

Rare plant alert!

Region: Conservation status by state

Status: S1: Status is uncertain but is somewhere between the following rankings: Critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘

Ash Meadows Lady’s Tresses: A Rare Desert Orchid Worth Protecting

Meet one of North America’s rarest orchids: Ash Meadows lady’s tresses (Spiranthes infernalis). This tiny desert gem is as elusive as it is beautiful, and there’s a very important reason why you probably shouldn’t try to grow it in your garden—but should absolutely care about its survival.

A Plant on the Brink

Before we dive into the details, here’s the crucial information every gardener needs to know: Ash Meadows lady’s tresses has a Global Conservation Status of S1, meaning it’s critically imperiled. With typically 5 or fewer occurrences and very few remaining individuals (fewer than 1,000), this perennial orchid is hanging on by a thread in the wild.

What does this mean for gardeners? While we’d normally encourage growing native plants, this particular species should only be cultivated with responsibly sourced material and preferably left to conservation professionals. Think of it as admiring a rare butterfly—beautiful to observe and protect, but not something to capture for your backyard.

Where This Rare Beauty Calls Home

Spiranthes infernalis is endemic to Nevada, specifically the Ash Meadows area in the Mojave Desert. This makes it one of the most geographically restricted orchids in North America. The plant is native to the lower 48 states, but its entire world exists within this small pocket of desert wetland habitat.

What Makes It Special

Despite its rarity, Ash Meadows lady’s tresses is a stunner when you’re lucky enough to see it. This perennial forb produces delicate white orchid flowers arranged in the characteristic spiral pattern that gives lady’s tresses orchids their name. The plants typically reach 6-18 inches tall on slender stems, creating an elegant display against the harsh desert backdrop.

As a facultative wetland plant in the Arid West, it usually occurs in wetlands but may occasionally venture into slightly drier areas. This orchid has mastered the art of thriving in desert springs and seeps—a truly remarkable adaptation.

The Reality of Growing This Orchid

Here’s where things get tricky. Even if you could ethically source this plant (which is extremely unlikely), Ash Meadows lady’s tresses would be nearly impossible to grow successfully. Like most native orchids, it relies on specific mycorrhizal fungi in the soil—microscopic partners that are essential for its survival. It also requires:

  • Consistently moist to wet alkaline soils
  • The specific water chemistry found in desert springs
  • Partial shade conditions
  • USDA hardiness zones 8-9
  • Specialized soil microorganisms found only in its native habitat

Supporting Conservation Instead

Rather than attempting to grow this rare orchid, consider these meaningful alternatives:

  • Support organizations working to protect Ash Meadows and similar desert wetland habitats
  • Choose other native Nevada plants that are more suitable for cultivation
  • Visit Ash Meadows National Wildlife Refuge to see this species in its natural habitat
  • Spread awareness about the importance of protecting rare native plants

The Bigger Picture

Ash Meadows lady’s tresses serves as a pollinator magnet for small native bees and other desert insects, playing a vital role in its ecosystem despite its tiny population. Every individual plant matters in maintaining the delicate balance of these unique desert wetlands.

While we can’t bring this orchid into our gardens, we can appreciate its story as a reminder of how precious and fragile our native plant heritage truly is. Sometimes the best way to love a plant is to ensure it has a safe, undisturbed home in the wild where it can continue its ancient dance with the desert springs of Nevada.

The next time you’re designing a native garden, remember Ash Meadows lady’s tresses—not as a plant to grow, but as an inspiration to choose and protect the native species we can successfully cultivate.

Ash Meadows Lady’s Tresses

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

Spiranthes Rich. - lady's tresses

Species

Spiranthes infernalis Sheviak - Ash Meadows lady's tresses

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