North America Native Plant

Ladies’ Bonnet Orchid

Botanical name: Pleurothallis racemiflora

USDA symbol: PLRA2

Life cycle: perennial

Habit: forb

Native status: Native to Puerto Rico  

Synonyms: Pleurothallis ghiesbreghtiana A. Rich. & Galeotti (PLGH)  âš˜  Pleurothallis longissima Lindl. (PLLO)   

Ladies’ Bonnet Orchid: A Delicate Caribbean Treasure for Orchid Enthusiasts If you’re an orchid lover looking to add something truly special to your collection, the ladies’ bonnet orchid (Pleurothallis racemiflora) might just capture your heart. This petite Caribbean native brings a touch of tropical elegance to any specialized growing environment, ...

Ladies’ Bonnet Orchid: A Delicate Caribbean Treasure for Orchid Enthusiasts

If you’re an orchid lover looking to add something truly special to your collection, the ladies’ bonnet orchid (Pleurothallis racemiflora) might just capture your heart. This petite Caribbean native brings a touch of tropical elegance to any specialized growing environment, though it’s definitely not your average houseplant.

Meet the Ladies’ Bonnet Orchid

The ladies’ bonnet orchid is a charming perennial orchid species that calls Puerto Rico home. You might also see it listed under its former scientific names, including Pleurothallis ghiesbreghtiana and Pleurothallis longissima, but Pleurothallis racemiflora is the name that stuck. Despite being classified botanically as a forb – essentially a non-woody plant – this little beauty is definitely an orchid through and through.

Where Does It Come From?

This orchid is native exclusively to Puerto Rico, where it thrives in the island’s humid cloud forests and montane environments. As an endemic species, it plays an important role in Puerto Rico’s unique ecosystem and represents the incredible biodiversity of Caribbean flora.

Why Grow Ladies’ Bonnet Orchid?

Let’s be honest – this isn’t a plant for beginners or casual gardeners. But for orchid enthusiasts and collectors, here’s what makes it special:

  • Unique Caribbean heritage adds diversity to orchid collections
  • Delicate, small flowers arranged in graceful racemes
  • Compact size perfect for terrariums and small spaces
  • Conversation starter among fellow orchid lovers
  • Helps preserve genetic diversity of rare orchid species

The Reality Check: Is This Plant Right for You?

Before you get too excited, let’s talk about what growing ladies’ bonnet orchid actually involves. This isn’t a plant you can stick on a windowsill and forget about. It requires very specific conditions that mimic its natural cloud forest habitat:

  • High humidity levels (70-80% consistently)
  • Filtered, indirect light
  • Excellent drainage with consistent moisture
  • Stable temperatures between 65-75°F
  • Good air circulation

In other words, unless you have a greenhouse, terrarium, or dedicated orchid growing setup, this beauty probably isn’t for you. It won’t survive outdoors in most of the continental United States and requires too much specialized care for typical indoor growing.

How to Grow Ladies’ Bonnet Orchid Successfully

If you’re up for the challenge, here’s how to give your ladies’ bonnet orchid the best chance at thriving:

Growing Medium

Use a well-draining orchid bark mix that retains some moisture but never becomes waterlogged. A combination of fine bark, sphagnum moss, and perlite works well.

Watering

Keep the growing medium consistently moist but not soggy. Water quality matters – use rainwater, distilled water, or reverse osmosis water when possible, as this orchid is sensitive to mineral buildup.

Humidity and Air Circulation

Maintain high humidity through regular misting, humidity trays, or a humidifier. However, ensure good air movement to prevent fungal issues – stagnant, humid air is a recipe for problems.

Lighting

Provide bright, filtered light similar to what it would receive under a forest canopy. East-facing windows or artificial grow lights work well.

The Bottom Line

Ladies’ bonnet orchid is a plant for serious orchid enthusiasts who can provide the specialized care it needs. While it won’t work for most gardens or typical houseplant collections, it’s a rewarding addition for those with the right setup and dedication. If you’re new to orchids or don’t have a controlled growing environment, you might want to start with hardier species and work your way up to challenging beauties like this one.

For those ready to take on the challenge, growing this Puerto Rican endemic can be incredibly rewarding and helps support the preservation of unique Caribbean orchid diversity in cultivation.

Ladies’ Bonnet 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

Pleurothallis R. Br. - bonnet orchid

Species

Pleurothallis racemiflora Lindl. ex Hook. - ladies' bonnet orchid

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