North America Native Plant

Heavyfruit Butterfly Orchid

Botanical name: Encyclia gravida

USDA symbol: ENGR

Life cycle: perennial

Habit: forb

Native status: Native to Puerto Rico  

Synonyms: Encyclia sintenisii (Rchb. f.) Britton (ENSI)  âš˜  Epidendrum oncidioides Lindl. var. gravidum (Lindl.) Ames (EPONG)  âš˜  Epidendrum sintenisii Rchb. f. (EPSI)   

Heavyfruit Butterfly Orchid: A Puerto Rican Native Treasure for Orchid Enthusiasts If you’re an orchid lover with a passion for native plants, the heavyfruit butterfly orchid (Encyclia gravida) might just be the perfect addition to your collection. This charming Puerto Rican native brings a touch of Caribbean elegance to any ...

Heavyfruit Butterfly Orchid: A Puerto Rican Native Treasure for Orchid Enthusiasts

If you’re an orchid lover with a passion for native plants, the heavyfruit butterfly orchid (Encyclia gravida) might just be the perfect addition to your collection. This charming Puerto Rican native brings a touch of Caribbean elegance to any orchid garden while supporting local biodiversity.

What Makes This Orchid Special

The heavyfruit butterfly orchid is a perennial epiphytic orchid that’s as fascinating as its name suggests. Unlike your typical ground-dwelling plants, this beauty naturally grows attached to trees and other surfaces, making it a true conversation starter in any garden setting.

You might also encounter this orchid under its scientific synonyms, including Encyclia sintenisii or Epidendrum sintenisii, but don’t let the multiple names confuse you – they’re all referring to the same delightful species.

Where Does It Call Home?

This orchid is proudly native to Puerto Rico, where it thrives in the island’s warm, humid tropical climate. Its natural distribution is limited to this Caribbean paradise, making it a true regional specialty that connects your garden to Puerto Rico’s unique ecosystem.

Why Choose the Heavyfruit Butterfly Orchid?

Here are some compelling reasons to consider this native orchid:

  • Supports native Puerto Rican biodiversity
  • Unique epiphytic growth habit adds vertical interest
  • Perfect for orchid collectors seeking rare natives
  • Brings authentic Caribbean character to tropical gardens
  • Low-maintenance once established in proper conditions

Growing Conditions and Care

Success with the heavyfruit butterfly orchid requires mimicking its natural tropical environment:

Climate Requirements: This orchid thrives in USDA hardiness zones 10-12, where temperatures remain consistently warm year-round. If you live in cooler climates, consider growing it in a heated greenhouse or as an indoor plant.

Light Needs: Provide bright, filtered light similar to what it would receive growing on tree branches in nature. Direct sunlight can scorch the leaves, while too little light prevents flowering.

Humidity and Air Circulation: High humidity (60-80%) is essential, along with good air movement to prevent fungal issues. Consider using a humidity tray or room humidifier.

Planting and Care Tips

Growing Medium: Use a well-draining orchid bark mix or mount the plant on cork bark or tree fern slabs to replicate its epiphytic nature.

Watering: Water thoroughly when the growing medium is almost dry, typically every 5-7 days. Avoid letting water sit in the crown of the plant.

Fertilizing: Feed monthly with a diluted orchid fertilizer during the growing season (spring through fall).

Temperature: Maintain nighttime temperatures between 65-70°F and daytime temperatures between 75-85°F for optimal growth.

Garden Design Ideas

The heavyfruit butterfly orchid works beautifully in several garden settings:

  • Mounted on trees in tropical shade gardens
  • Featured in orchid conservatories or greenhouses
  • Part of a native Puerto Rican plant collection
  • Displayed in hanging baskets on covered patios

A Word About Sourcing

When adding this native orchid to your collection, always purchase from reputable nurseries that propagate their plants responsibly. Never collect plants from the wild, as this can harm native populations.

The Bottom Line

The heavyfruit butterfly orchid offers orchid enthusiasts a chance to grow something truly special – a native Puerto Rican species that’s both beautiful and ecologically meaningful. While it requires specific growing conditions, the reward of successfully cultivating this regional treasure makes the effort worthwhile. Whether you’re building a collection of Caribbean natives or simply want to try something unique, this charming orchid deserves a spot in every tropical plant lover’s heart.

Heavyfruit Butterfly 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

Encyclia Hook. - butterfly orchid

Species

Encyclia gravida (Lindl.) Schltr. - heavyfruit butterfly orchid

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