North America Native Plant

Lady’s Tresses

Botanical name: Spiranthes ×simpsonii

USDA symbol: SPSI6

Life cycle: perennial

Habit: forb

Native status: Native to Canada âš˜ Native to the lower 48 states  

Lady’s Tresses: A Delicate Native Orchid Worth Knowing If you’ve ever dreamed of having orchids gracing your native garden, lady’s tresses (Spiranthes ×simpsonii) might just be the plant to fulfill that wish. This charming native orchid brings an unexpected elegance to naturalized landscapes across northeastern North America, though it comes ...

Lady’s Tresses: A Delicate Native Orchid Worth Knowing

If you’ve ever dreamed of having orchids gracing your native garden, lady’s tresses (Spiranthes ×simpsonii) might just be the plant to fulfill that wish. This charming native orchid brings an unexpected elegance to naturalized landscapes across northeastern North America, though it comes with some unique growing challenges that every gardener should understand.

What Makes Lady’s Tresses Special

Lady’s tresses gets its common name from the distinctive spiral arrangement of its small white flowers, which twist up the stem like braided hair. This perennial forb typically reaches 6-12 inches tall, making it a subtle but striking addition to any native plant collection. The delicate blooms appear in late summer to early fall, providing a welcome splash of white when many other wildflowers are beginning to fade.

As a hybrid orchid species, Spiranthes ×simpsonii represents nature’s own plant breeding at work, combining the best traits of its parent species into something uniquely beautiful.

Where Lady’s Tresses Calls Home

This native beauty has quite a specific range, naturally occurring in parts of Canada including New Brunswick, Nova Scotia, and Ontario, as well as select areas in Maine, New Hampshire, and Wisconsin in the United States. It’s a true northerner, thriving in the cooler climates of USDA hardiness zones 3-7.

The Reality of Growing Lady’s Tresses

Here’s where we need to have an honest conversation about this lovely orchid. While lady’s tresses is absolutely stunning and supports native pollinators like small bees, it’s notoriously difficult to cultivate in home gardens. Like most native orchids, it depends on complex relationships with soil fungi (mycorrhizae) that are nearly impossible to replicate in typical garden settings.

Growing Conditions (If You’re Up for the Challenge)

Should you decide to attempt growing lady’s tresses, here’s what this finicky beauty prefers:

  • Moist to wet, well-draining soils
  • Partial shade to full sun exposure
  • Acidic to neutral soil pH
  • Cool, humid conditions
  • Undisturbed soil with natural fungal networks

A Word of Caution and Better Alternatives

Most gardening experts recommend appreciating lady’s tresses in its natural habitat rather than attempting cultivation. The success rate for home gardeners is disappointingly low, and removing plants from wild populations can harm local ecosystems.

Instead, consider these easier native alternatives that provide similar late-season interest:

  • Wild bergamot (Monarda fistulosa) for pollinator appeal
  • New England aster (Symphyotrichum novae-angliae) for fall color
  • White turtlehead (Chelone glabra) for moist areas

Supporting Lady’s Tresses in the Wild

The best way to help lady’s tresses thrive is by protecting and supporting natural habitats where they already grow. If you’re lucky enough to encounter these beauties on a nature walk, take photos and leave only footprints. Your local native plant society or conservation organization would love to hear about sightings and may have habitat restoration projects where you can volunteer.

While lady’s tresses might not be the easiest addition to your garden, understanding and appreciating this native orchid helps us better connect with the intricate web of life that makes our local ecosystems so special.

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 ×simpsonii Catling & Sheviak [lacera × romanzoffiana] - 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