North America Native Plant

‘ekoko

Botanical name: Chamaesyce celastroides var. stokesii

USDA symbol: CHCES

Life cycle: perennial

Habit: shrub

Native status: Native to Hawaii  

Synonyms: Chamaesyce celastroides (Boiss.) Croizat & O. Deg. var. kealiana (Sherff) O. Deg. & I. Deg. (CHCEK3)  âš˜  Chamaesyce celastroides (Boiss.) Croizat & O. Deg. var. moomomiana (Sherff) O. Deg. & I. Deg. (CHCEM2)  âš˜  Euphorbia celastroides Boiss. var. kealiana Sherff (EUCEK2)  âš˜  Euphorbia celastroides Boiss. var. moomomiana Sherff (EUCEM2)  âš˜  Euphorbia celastroides Boiss. var. stokesii (Forbes) Sherff (EUCES2)   

‘Ekoko: A Rare Hawaiian Native Shrub Worth Protecting in Your Garden If you’re passionate about native Hawaiian plants and looking for a drought-tolerant shrub that connects you to the islands’ natural heritage, ‘ekoko might be exactly what your garden needs. This small but mighty native plant, scientifically known as Chamaesyce ...

Rare plant alert!

Region: Conservation status by state

Status: S3T1: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘ Vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals ⚘

‘Ekoko: A Rare Hawaiian Native Shrub Worth Protecting in Your Garden

If you’re passionate about native Hawaiian plants and looking for a drought-tolerant shrub that connects you to the islands’ natural heritage, ‘ekoko might be exactly what your garden needs. This small but mighty native plant, scientifically known as Chamaesyce celastroides var. stokesii, offers gardeners a chance to cultivate a piece of Hawaii’s unique botanical legacy right in their landscape.

What is ‘Ekoko?

‘Ekoko is a perennial shrub that’s as tough as it is rare. This multi-stemmed woody plant typically stays compact, usually growing less than 13 to 16 feet in height, though it often remains much smaller in garden settings. As a member of the spurge family, it has adapted beautifully to Hawaii’s challenging dry coastal environments.

This plant is exclusively native to Hawaii, making it a true island endemic. You’ll find ‘ekoko growing naturally throughout the Hawaiian Islands, where it has evolved to thrive in the unique conditions that only these Pacific islands can provide.

Important Conservation Note

Before we dive into growing tips, there’s something crucial every gardener should know: ‘ekoko has a conservation status of S3T1, which indicates this plant is quite rare. If you’re interested in adding this native beauty to your garden, please make sure you source it responsibly from reputable native plant nurseries that propagate their stock rather than collecting from wild populations.

Why Choose ‘Ekoko for Your Garden?

There are several compelling reasons to consider this Hawaiian native for your landscape:

  • Authentic Hawaiian heritage: You’ll be growing a plant that has called Hawaii home long before any human settlement
  • Drought tolerance: Perfect for water-wise gardening and xeriscaping projects
  • Low maintenance: Once established, this shrub requires minimal care
  • Conservation contribution: By growing ‘ekoko, you’re helping preserve a rare native species
  • Unique texture: Adds interesting form and structure to native plant collections

Ideal Garden Settings

‘Ekoko shines in several types of landscape designs. It’s particularly well-suited for rock gardens, where its drought-tolerant nature and compact form complement other water-wise plants beautifully. Native Hawaiian plant gardens benefit enormously from its authentic island character, and it works wonderfully in coastal landscapes where it can handle salt spray and challenging conditions.

If you’re creating a xeriscaped area or simply want to reduce your garden’s water needs, ‘ekoko makes an excellent choice for adding structure and year-round interest.

Growing Conditions and Care

The good news for gardeners is that ‘ekoko isn’t particularly fussy once you understand its basic needs. This shrub thrives in full sun locations and absolutely requires well-draining soil – soggy conditions are its biggest enemy.

For those gardening in USDA hardiness zones 10-12, you’re in the sweet spot for growing this tropical native. If you live in a cooler climate, container growing might be your best bet, allowing you to bring the plant indoors during colder months.

Planting and Care Tips

When planting ‘ekoko, focus on soil drainage above all else. If your garden tends to hold water, consider raised beds or adding plenty of coarse sand and gravel to improve drainage. Plant in full sun for best results.

Watering is where many gardeners go wrong with this plant. While young plants need some moisture to get established, mature ‘ekoko prefers dry conditions and can actually suffer from too much water. Once established, natural rainfall in most Hawaiian locations should be sufficient.

Pruning needs are minimal – just light trimming to maintain shape if desired. This plant has naturally adapted to tough conditions, so avoid fertilizing heavily, which can actually weaken drought-adapted plants.

Wildlife and Pollinator Benefits

While ‘ekoko may not be the showiest flowering plant in your garden, its small blooms can attract native Hawaiian insects and other small pollinators. As part of Hawaii’s natural ecosystem, it plays its role in supporting local wildlife, even if those benefits aren’t immediately obvious to casual observers.

A Final Word on Conservation

Growing ‘ekoko is more than just adding another plant to your garden – it’s participating in conservation. By choosing to grow this rare native species, you’re helping ensure that future generations can experience this unique piece of Hawaiian natural heritage. Just remember to source your plants responsibly and never collect from wild populations.

Whether you’re a dedicated native plant enthusiast or simply someone who appreciates low-maintenance, drought-tolerant landscaping, ‘ekoko offers a meaningful way to connect with Hawaii’s botanical legacy while creating a beautiful, water-wise garden space.

‘ekoko

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Euphorbiales

Family

Euphorbiaceae Juss. - Spurge family

Genus

Chamaesyce Gray - sandmat

Species

Chamaesyce celastroides (Boiss.) Croizat & O. Deg. - 'ekoko

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