North America Native Plant

Yellow Fringeless Orchid

Botanical name: Platanthera integra

USDA symbol: PLIN5

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Gymnadeniopsis integra (Nutt.) Rydb. (GYIN2)  âš˜  Habenaria integra (Nutt.) Spreng. (HAIN4)   

Yellow Fringeless Orchid: A Rare Wetland Jewel for Conservation-Minded Gardeners If you’re drawn to the mystique of native orchids and have a passion for wetland gardening, the yellow fringeless orchid (Platanthera integra) might just capture your imagination. This striking southeastern native brings a splash of sunshine yellow to boggy landscapes, ...

Rare plant alert!

Region: New Jersey

Status: S3S4: Vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘ 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) ⚘ New Jersey Highlands region ⚘ New Jersey Pinelands region ⚘ 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) ⚘ Endangered: In danger of extinction throughout all or a significant portion of its range. ⚘

Region: New Jersey

Region: New Jersey

Yellow Fringeless Orchid: A Rare Wetland Jewel for Conservation-Minded Gardeners

If you’re drawn to the mystique of native orchids and have a passion for wetland gardening, the yellow fringeless orchid (Platanthera integra) might just capture your imagination. This striking southeastern native brings a splash of sunshine yellow to boggy landscapes, but it’s definitely not your average garden flower.

What Makes This Orchid Special

The yellow fringeless orchid is a perennial wildflower that belongs to the fascinating world of native orchids. Unlike many of its relatives in the Platanthera genus, this species earned its fringeless common name because its bright yellow flowers lack the delicate fringed petals that characterize other members of the group. Instead, it produces dense spikes of small, vibrant yellow blooms that create quite a show in their natural wetland habitats.

You might also encounter this plant listed under its synonyms Gymnadeniopsis integra or Habenaria integra in older botanical references, but Platanthera integra is the current accepted name.

Where You’ll Find It Growing Wild

This southeastern beauty calls the coastal plains and wetlands of eleven states home: Alabama, Florida, Georgia, Louisiana, Maryland, Mississippi, New Jersey, North Carolina, South Carolina, Tennessee, and Texas. It’s a true native of the lower 48 states, having evolved specifically in these regional ecosystems.

A Word of Caution: This Plant Needs Protection

Before you get too excited about adding this orchid to your garden, there’s something important you need to know. The yellow fringeless orchid is quite rare and faces conservation challenges across its range. In Alabama, it carries an S2 rarity status, while New Jersey has listed it as endangered with an S1 status. The global conservation ranking of S3S4 indicates this species is vulnerable to moderately vulnerable to extinction.

What does this mean for gardeners? If you’re determined to grow this orchid, you must source it responsibly from reputable native plant nurseries that propagate their own stock rather than wild-collecting. Never, ever dig plants from the wild – it’s often illegal and always harmful to wild populations.

Why Consider Growing It (If You Can Handle the Challenge)

The yellow fringeless orchid offers several benefits for the right gardener:

  • Supports native pollinators including moths and butterflies with nectar
  • Adds unique beauty to wetland and bog gardens
  • Contributes to native plant conservation efforts
  • Creates habitat for specialized wetland ecosystems
  • Provides educational value about rare native species

The Reality Check: Growing Conditions

Let’s be honest – this isn’t a plant for beginners or even most intermediate gardeners. The yellow fringeless orchid is what botanists call an obligate wetland species, meaning it almost always occurs in wetlands in both the Atlantic and Gulf Coastal Plain and Eastern Mountains and Piedmont regions.

Here’s what this orchid demands:

  • Moisture: Consistently wet to boggy soil conditions
  • Soil type: Acidic, organic-rich wetland soils
  • Light: Partial shade to full sun
  • Climate: USDA Hardiness Zones 7-10
  • Special requirements: Specific mycorrhizal fungal relationships

The Hard Truth About Cultivation

Most native orchids, including the yellow fringeless orchid, are notoriously difficult to grow in cultivation. They form complex relationships with soil fungi (mycorrhizae) that are nearly impossible to replicate in typical garden settings. Even experienced native plant enthusiasts often struggle with orchid cultivation.

If you’re determined to try, your best bet is creating a bog garden or constructed wetland that mimics the plant’s natural habitat as closely as possible. This means maintaining consistently saturated, acidic soil with high organic content and ensuring proper drainage to prevent stagnation.

Consider Alternatives

Given the challenges and conservation concerns, many gardeners might want to consider other native wetland plants that provide similar benefits but are easier to grow and more readily available. Native sedges, cardinal flower (Lobelia cardinalis), or swamp milkweed (Asclepias incarnata) can provide beautiful wetland garden focal points without the complexity and rarity concerns.

The Bottom Line

The yellow fringeless orchid is undoubtedly a remarkable native plant that deserves our admiration and protection. While it can theoretically be grown in very specialized garden settings, it’s primarily a plant for conservation efforts and advanced native plant enthusiasts with appropriate wetland garden spaces.

If you do decide to pursue growing this rare orchid, commit to sourcing it responsibly, creating appropriate habitat conditions, and joining the ranks of gardeners helping preserve our native plant heritage. Just remember – sometimes the best way to appreciate a rare plant is to support its conservation in the wild rather than attempting to grow it at home.

Yellow Fringeless 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 integra (Nutt.) A. Gray ex Beck - yellow fringeless orchid

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