North America Native Plant

Ames’ Lady’s Tresses

Botanical name: Spiranthes amesiana

USDA symbol: SPAM7

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Ames’ Lady’s Tresses: Florida’s Elusive Native Orchid Meet one of Florida’s most mysterious native orchids – Ames’ lady’s tresses (Spiranthes amesiana). This delicate perennial might not be the showiest plant in your garden, but for native plant enthusiasts and orchid lovers, it’s a true treasure worth discovering. What Makes This ...

Rare plant alert!

Region: Conservation status by state

Status: S1S2: 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) ⚘ 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) ⚘

Ames’ Lady’s Tresses: Florida’s Elusive Native Orchid

Meet one of Florida’s most mysterious native orchids – Ames’ lady’s tresses (Spiranthes amesiana). This delicate perennial might not be the showiest plant in your garden, but for native plant enthusiasts and orchid lovers, it’s a true treasure worth discovering.

What Makes This Plant Special?

Ames’ lady’s tresses is a small but charming forb that produces distinctive spiraling spikes of tiny white flowers. True to its common name, the flowers appear to twist up the stem like delicate braided hair – hence the poetic lady’s tresses moniker. As a member of the orchid family, this herbaceous perennial brings an air of elegance to any native Florida landscape.

Where You’ll Find It Growing Wild

This orchid is exclusively native to Florida, making it a true Florida endemic. You won’t find Ames’ lady’s tresses growing naturally anywhere else in the world, which makes it extra special for Sunshine State gardeners looking to showcase their region’s unique botanical heritage.

A Word of Caution: Rarity Matters

Before you get too excited about adding this beauty to your garden, there’s something important to know: Ames’ lady’s tresses has a conservation status of S1S2, meaning it’s considered rare in its native range. If you’re interested in growing this orchid, please only source plants from reputable native plant nurseries that propagate their stock responsibly – never collect from the wild.

Garden Role and Design Ideas

This subtle orchid works best in:

  • Native Florida plant gardens
  • Naturalized woodland edges
  • Specialty orchid collections
  • Conservation-focused landscapes

Don’t expect Ames’ lady’s tresses to be a bold focal point. Instead, think of it as a delicate accent plant that rewards close observation with its intricate flower structure and graceful form.

Growing Conditions and Care

Like many native orchids, Ames’ lady’s tresses can be challenging to grow successfully. Here’s what this finicky beauty needs:

  • Climate: USDA hardiness zones 9-11 (perfect for Florida gardens)
  • Light: Partial shade to filtered sunlight
  • Soil: Moist but well-draining soil with good organic content
  • Special requirements: Like all orchids, it depends on specific mycorrhizal fungi for survival

Planting and Care Tips

Successfully growing Ames’ lady’s tresses requires patience and attention to detail:

  • Plant in spring when soil temperatures are warming
  • Ensure consistent moisture without waterlogging
  • Avoid disturbing the root system once established
  • Consider this a long-term commitment – orchids don’t like frequent moves
  • Be prepared for the plant to go dormant and seemingly disappear for periods

Pollinator and Wildlife Benefits

While small, the flowers of Ames’ lady’s tresses provide nectar for native bees and small butterflies. The plant’s subtle beauty may not attract large pollinators, but it plays its part in supporting Florida’s native ecosystem.

Should You Grow It?

Ames’ lady’s tresses isn’t for everyone. Consider growing it if you:

  • Are passionate about Florida native plants
  • Have experience with orchids or challenging plants
  • Want to support conservation efforts
  • Appreciate subtle, delicate beauty over bold displays

Skip this one if you’re looking for easy-care plants or dramatic garden impact. There are plenty of other Florida natives that might better suit beginner gardeners or those wanting more immediate visual rewards.

Remember, growing rare native plants like Ames’ lady’s tresses is as much about conservation as it is about gardening. By choosing responsibly sourced plants and providing them with proper care, you’re helping preserve a piece of Florida’s unique natural heritage right in your own backyard.

Ames’ 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 amesiana Schltr. - Ames' 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