North America Native Plant

Yellow Kopsia

Botanical name: Kopsia flavida

USDA symbol: KOFL2

Life cycle: perennial

Habit: shrub

Native status: Native to Pacific Basin excluding Hawaii  

Synonyms: Kopsia carolinensis Kaneh. (KOCA4)   

Yellow Kopsia: A Rare Pacific Island Native Worth Discovering If you’re looking to add some tropical flair to your garden with a truly unique native plant, yellow kopsia (Kopsia flavida) might just be the hidden gem you’ve been searching for. This lesser-known Pacific Island native brings an air of mystery ...

Yellow Kopsia: A Rare Pacific Island Native Worth Discovering

If you’re looking to add some tropical flair to your garden with a truly unique native plant, yellow kopsia (Kopsia flavida) might just be the hidden gem you’ve been searching for. This lesser-known Pacific Island native brings an air of mystery and exclusivity to any landscape design.

What is Yellow Kopsia?

Yellow kopsia is a perennial shrub that’s native to the Pacific Basin, specifically found growing naturally in Guam and Palau. As a member of the diverse Kopsia genus, this multi-stemmed woody plant typically grows to a manageable height of 13-16 feet, though it can sometimes reach taller heights or develop a single stem depending on environmental conditions.

You might also see this plant listed under its botanical synonym, Kopsia carolinensis, in older gardening references or plant catalogs.

Where Does Yellow Kopsia Grow Naturally?

This shrub calls the tropical Pacific Islands home, with its natural range limited to Guam and Palau. Its native status in the Pacific Basin (excluding Hawaii) makes it a true regional specialty that you won’t find growing wild in many places around the world.

Why Consider Yellow Kopsia for Your Garden?

There are several compelling reasons to consider this unique shrub:

  • It’s a true native species if you’re gardening in Guam or Palau
  • Its rarity makes it a conversation starter and collector’s plant
  • As a perennial shrub, it provides year-round structure to your landscape
  • Its manageable size makes it suitable for both large and medium-sized gardens

The Challenge: Limited Growing Information

Here’s where things get interesting (and a bit challenging): yellow kopsia is such a specialized native species that detailed growing information is quite limited. Unlike more common garden shrubs, you won’t find extensive care guides or cultivation tips readily available.

What we do know is that it’s adapted to Pacific Island conditions, which suggests it likely prefers:

  • Warm, tropical climates
  • Well-draining soils
  • Regular moisture without waterlogging
  • Protection from strong, cold winds

Is Yellow Kopsia Right for Your Garden?

This shrub is best suited for gardeners who:

  • Live in tropical or subtropical climates similar to its native range
  • Enjoy growing rare and unusual plants
  • Have experience with tropical shrubs and don’t mind some trial and error
  • Want to support native plant conservation efforts

A Word of Caution About Sourcing

Because yellow kopsia is not widely cultivated and has a limited native range, finding this plant can be quite challenging. If you do locate a source, make sure it’s from a reputable nursery that practices responsible propagation. Never collect plants from the wild, especially rare natives like this one.

Consider These Alternatives

If you’re drawn to yellow kopsia but can’t find it or it’s not suitable for your climate, consider these options:

  • Look for other Kopsia species that might be more readily available
  • Explore other native Pacific Island shrubs appropriate for your region
  • Connect with local native plant societies who might have leads on rare species

The Bottom Line

Yellow kopsia represents the exciting frontier of native plant gardening – species that are authentic to their regions but require dedication and patience to grow successfully. While it’s not a plant for beginners or those wanting instant gratification, it offers the reward of growing something truly special and supporting native plant diversity.

If you’re up for the challenge and can source this rare shrub responsibly, yellow kopsia could become the crown jewel of your tropical native garden. Just be prepared for some detective work in learning how to care for this Pacific Island treasure!

Yellow Kopsia

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

Gentianales

Family

Apocynaceae Juss. - Dogbane family

Genus

Kopsia Blume, nom. cons. - kopsia

Species

Kopsia flavida Blume - yellow kopsia

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