North America Native Plant

Wild Coffee

Botanical name: Psychotria hombroniana var. canfieldiae

USDA symbol: PSHOC

Life cycle: perennial

Habit: shrub

Native status: Native to Pacific Basin excluding Hawaii  

Wild Coffee: A Rare Pacific Island Shrub Worth Knowing About Meet Psychotria hombroniana var. canfieldiae, commonly known as wild coffee – a fascinating shrub that calls some of the most remote corners of the Pacific home. While you’re unlikely to stumble across this plant at your local nursery, it’s worth ...

Wild Coffee: A Rare Pacific Island Shrub Worth Knowing About

Meet Psychotria hombroniana var. canfieldiae, commonly known as wild coffee – a fascinating shrub that calls some of the most remote corners of the Pacific home. While you’re unlikely to stumble across this plant at your local nursery, it’s worth understanding what makes this particular variety special, especially if you’re interested in Pacific island flora or rare native plants.

Where Wild Coffee Calls Home

This wild coffee variety is native to the Pacific Basin, specifically thriving in Guam and Palau. Unlike its more famous coffee-producing relatives, this shrub has adapted to life on these tropical islands, making it quite different from the plants most gardeners are familiar with.

What Does Wild Coffee Look Like?

As a perennial shrub, wild coffee typically grows as a multi-stemmed woody plant that usually stays under 13 to 16 feet tall. Like most shrubs, it tends to have several stems emerging from or near ground level, though environmental conditions can sometimes make it grow taller or develop a single main stem.

The wild coffee name hints at its relationship to the coffee family, though this particular variety isn’t grown for beverage production. Instead, it’s valued for its role in native Pacific island ecosystems.

Should You Grow Wild Coffee?

Here’s where things get a bit tricky. While this native shrub isn’t invasive or noxious, growing Psychotria hombroniana var. canfieldiae presents some unique challenges:

  • Extremely limited availability in the nursery trade
  • Specialized growing requirements that aren’t well documented
  • Adapted to very specific Pacific island conditions
  • Little information available about cultivation needs

Growing Conditions and Care

Unfortunately, detailed growing information for this specific variety is quite scarce. Given its native range in Guam and Palau, we can make some educated guesses about its preferences:

  • Likely requires warm, tropical conditions year-round
  • Probably needs high humidity levels
  • May require well-draining soil typical of island environments
  • Unknown USDA hardiness zone requirements, though likely limited to the warmest zones

The Reality Check

If you’re drawn to the idea of growing wild coffee, you might want to consider more readily available alternatives. Many other Psychotria species are better documented and more suitable for home cultivation. Native plant enthusiasts in tropical zones might have better luck with locally native coffee family plants that are better adapted to their specific region.

Conservation Considerations

Plants like wild coffee remind us of the incredible diversity found in Pacific island ecosystems. While we don’t have specific information about this variety’s conservation status, many Pacific island plants face challenges from habitat loss and climate change. Supporting conservation efforts in these regions helps protect unique species like this one.

For most gardeners, wild coffee remains more of a botanical curiosity than a practical garden choice. However, understanding and appreciating these specialized native plants helps us better understand the rich tapestry of plant life that exists across our planet’s diverse ecosystems.

Wild Coffee

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Rubiales

Family

Rubiaceae Juss. - Madder family

Genus

Psychotria L. - wild coffee

Species

Psychotria hombroniana (Baill.) Fosberg - wild coffee

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