North America Native Plant

Kopa

Botanical name: Hedyotis schlechtendahliana waimeae

USDA symbol: HESCW

Life cycle: perennial

Habit: subshrub

Native status: Native to Hawaii  

Synonyms: Hedyotis glaucifolia (A. Gray) Fosberg (HEGL9)  âš˜  Hedyotis glaucifolia (A. Gray) Fosberg var. subimpressa Fosberg (HEGLS)  âš˜  Hedyotis glaucifolia (A. Gray) Fosberg var. waimeae (Wawra) Fosberg (HEGLW)   

Kopa: A Hidden Gem Among Hawaii’s Native Shrubs Meet kopa (Hedyotis schlechtendahliana waimeae), one of Hawaii’s lesser-known native treasures that deserves a spot in your island garden. While this charming shrub might not be as famous as some of its flashier native cousins, it offers something special for gardeners who ...

Kopa: A Hidden Gem Among Hawaii’s Native Shrubs

Meet kopa (Hedyotis schlechtendahliana waimeae), one of Hawaii’s lesser-known native treasures that deserves a spot in your island garden. While this charming shrub might not be as famous as some of its flashier native cousins, it offers something special for gardeners who appreciate authentic Hawaiian flora and want to support local ecosystems.

What Makes Kopa Special?

Kopa is a true Hawaiian native, meaning it evolved right here in the islands long before humans arrived. As a perennial shrub, it’s built to last, typically growing as a multi-stemmed woody plant that stays manageable in most garden settings—usually under 13-16 feet tall. Think of it as nature’s way of providing structure to your landscape without overwhelming smaller spaces.

This plant goes by several scientific names you might encounter, including Hedyotis glaucifolia, so don’t be confused if you see it listed differently at native plant sales or in botanical references.

Where You’ll Find Kopa in the Wild

Kopa calls Hawaii home and only Hawaii—you won’t find this species growing naturally anywhere else on Earth. This makes it extra special for local gardeners who want to create authentic island landscapes that reflect the unique character of Hawaiian ecosystems.

Why Consider Kopa for Your Garden?

Choosing native plants like kopa is one of the best gifts you can give to Hawaii’s environment. Here’s why this shrub might be perfect for your landscape:

  • It’s perfectly adapted to local growing conditions
  • Supports native wildlife and ecosystem health
  • Requires less water and maintenance once established
  • Adds authentic Hawaiian character to your garden
  • Helps preserve Hawaii’s unique botanical heritage

Growing Kopa Successfully

While specific growing information for kopa can be challenging to find (it’s not exactly a mainstream garden center plant!), most Hawaiian native shrubs share similar preferences. Here’s what will likely help your kopa thrive:

  • Location: Choose a spot with good drainage—most Hawaiian natives don’t appreciate soggy feet
  • Soil: Well-draining soil is key; volcanic soil or amended garden soil works well
  • Water: Once established, native shrubs typically need less water than exotic plants
  • Maintenance: Light pruning to maintain shape as needed

Finding and Sourcing Kopa

Here’s the reality check: kopa isn’t something you’ll stumble across at your average garden center. Your best bet is connecting with:

  • Native plant societies in Hawaii
  • Specialty nurseries focusing on Hawaiian natives
  • Botanical gardens with plant sales
  • Native plant restoration groups

Always make sure you’re getting plants from reputable sources that grow from locally-sourced seeds or cuttings—this helps maintain the genetic integrity of wild populations.

The Bottom Line on Kopa

Kopa might not be the showiest plant in your garden, but it offers something more valuable: authenticity. By choosing native plants like this Hawaiian shrub, you’re creating habitat, preserving local ecology, and connecting your landscape to the islands’ natural heritage. Plus, there’s something deeply satisfying about growing a plant that truly belongs exactly where you’re gardening.

If you can track down this special native shrub, you’ll have a conversation starter, a piece of Hawaii’s botanical history, and a reliable landscape plant all rolled into one. Not bad for a plant most people have never heard of!

Kopa

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

Hedyotis L. - starviolet

Species

Hedyotis schlechtendahliana Steud. - kopa

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