North America Native Plant

Thicket Wild Coffee

Botanical name: Psychotria microdon

USDA symbol: PSMI

Life cycle: perennial

Habit: vine

Native status: Native to Puerto Rico âš˜ Native to the U.S. Virgin Islands  

Synonyms: Psychotria pinularis Sessé & Moc. (PSPI3)  âš˜  Rondeletia microdon DC. (ROMI7)   

Thicket Wild Coffee: A Hidden Gem for Caribbean Native Gardens If you’re gardening in Puerto Rico or the U.S. Virgin Islands and looking for an authentic native shrub that brings both beauty and ecological value to your landscape, let me introduce you to thicket wild coffee (Psychotria microdon). This understated ...

Thicket Wild Coffee: A Hidden Gem for Caribbean Native Gardens

If you’re gardening in Puerto Rico or the U.S. Virgin Islands and looking for an authentic native shrub that brings both beauty and ecological value to your landscape, let me introduce you to thicket wild coffee (Psychotria microdon). This understated beauty might not have the flashiest flowers or the most exotic appearance, but it’s exactly the kind of reliable, well-behaved native plant that forms the backbone of a thriving Caribbean garden.

What Exactly Is Thicket Wild Coffee?

Thicket wild coffee is a perennial shrub that’s naturally at home in the Caribbean, specifically native to Puerto Rico and the U.S. Virgin Islands. Despite its common name, this isn’t the coffee you’ll be brewing for your morning cup – it’s actually a member of the coffee family (Rubiaceae) that grows as a multi-stemmed woody plant, typically reaching less than 13-16 feet in height under most conditions.

You might also encounter this plant listed under its botanical synonyms Psychotria pinularis or Rondeletia microdon in older gardening references, but Psychotria microdon is the current accepted name.

Where Does It Grow?

This shrub is exclusively found in Puerto Rico and the Virgin Islands, making it a true Caribbean endemic. If you’re gardening in these areas, you have the wonderful opportunity to grow a plant that exists nowhere else in the world naturally.

Why Consider Thicket Wild Coffee for Your Garden?

There are several compelling reasons why this native shrub deserves a spot in your landscape:

  • Authentic native heritage: When you plant thicket wild coffee, you’re preserving and celebrating the natural plant community of your region
  • Low-maintenance nature: As a native species, it’s naturally adapted to local conditions and requires less fussing than exotic alternatives
  • Wildlife support: Native shrubs like this provide food and habitat for local birds, butterflies, and other beneficial creatures
  • Understory structure: Perfect for adding layers and depth to your garden, especially in shaded areas

What Does It Look Like?

Thicket wild coffee has the classic appearance of coffee family plants – glossy, dark green leaves and small, delicate white flowers that appear in clusters. After flowering, it produces small dark berries that wildlife absolutely love. The overall growth habit is shrubby and bushy, with multiple stems arising from the base, creating a nice full appearance that works well for screening or as a backdrop plant.

Growing Conditions and Care

The beauty of working with native plants is that they’re already perfectly suited to your local climate. Here’s what thicket wild coffee prefers:

  • Light: Shade to partial shade – this is an understory plant that appreciates protection from harsh direct sunlight
  • Soil: Moist, well-draining soil that doesn’t get waterlogged
  • Water: Consistent moisture without being soggy
  • Climate: Thrives in USDA hardiness zones 10b-11, which perfectly matches the tropical Caribbean climate

Planting and Care Tips

Getting thicket wild coffee established in your garden is refreshingly straightforward:

  • Choose a location with dappled shade or morning sun with afternoon shade
  • Prepare the planting area with compost or well-aged organic matter to improve soil structure
  • Water regularly during the establishment period, then maintain consistent moisture
  • Minimal pruning is needed – just remove any dead or damaged branches
  • Mulch around the base to help retain soil moisture and suppress weeds

Garden Design Ideas

Thicket wild coffee works beautifully in several garden situations:

  • Native plant gardens: Combine with other Caribbean natives for an authentic local ecosystem
  • Shade gardens: Use as a mid-layer plant between taller trees and ground covers
  • Wildlife gardens: Plant in groups to create habitat corridors for birds and beneficial insects
  • Naturalistic landscapes: Perfect for areas where you want a more wild, unmanicured look

The Bottom Line

While thicket wild coffee might not be the showiest plant at the garden center, it offers something far more valuable – a genuine connection to your local landscape and a reliable, beautiful addition that supports both your garden’s ecosystem and the broader environment. For gardeners in Puerto Rico and the U.S. Virgin Islands, this native shrub represents an opportunity to garden in harmony with nature while creating a landscape that’s both beautiful and meaningful.

If you can source this plant responsibly from native plant nurseries or propagation programs, it’s definitely worth adding to your collection of Caribbean natives. Your local wildlife – and your garden – will thank you for it.

Thicket 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 microdon (DC.) Urb. - thicket 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