North America Native Plant

‘ekoko

Botanical name: Chamaesyce celastroides var. laehiensis

USDA symbol: CHCEL

Life cycle: perennial

Habit: shrub

Native status: Native to Hawaii  

Synonyms: Euphorbia celastroides Boiss. var. laehiensis O. Deg., I. Deg. & Sherff (EUCEL)   

Growing ‘Ekoko: A Rare Hawaiian Native Worth Protecting If you’re passionate about Hawaiian native plants and conservation gardening, you’ve probably heard whispers about ‘ekoko (Chamaesyce celastroides var. laehiensis). This remarkable little shrub is one of Hawaii’s botanical treasures, but it comes with some important considerations that every responsible gardener should ...

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 ⚘

Growing ‘Ekoko: A Rare Hawaiian Native Worth Protecting

If you’re passionate about Hawaiian native plants and conservation gardening, you’ve probably heard whispers about ‘ekoko (Chamaesyce celastroides var. laehiensis). This remarkable little shrub is one of Hawaii’s botanical treasures, but it comes with some important considerations that every responsible gardener should know about.

What Makes ‘Ekoko Special?

‘Ekoko is a perennial shrub that’s entirely native to Hawaii, making it a true island endemic. You might also see it listed under its scientific synonym, Euphorbia celastroides var. laehiensis, in older botanical references. As a member of the spurge family, this multi-stemmed woody plant typically stays compact, usually growing less than 13-16 feet in height, though it often remains much smaller in typical garden settings.

Where Does ‘Ekoko Call Home?

This native Hawaiian beauty is found exclusively in Hawaii, where it has adapted to the unique island conditions over thousands of years. It naturally thrives on volcanic slopes and in dry coastal areas, making it perfectly suited to Hawaii’s diverse microclimates.

A Word of Caution: Rarity Matters

Here’s the important part that every gardener needs to know: ‘ekoko has a Global Conservation Status of S3T1, which means it’s critically imperiled. This isn’t a plant you can casually pick up at your local nursery, and that’s actually a good thing for conservation efforts.

If you’re interested in growing ‘ekoko, it’s crucial to source it responsibly from reputable native plant nurseries or conservation programs. Never collect from wild populations, as this can further threaten already vulnerable populations.

Garden Appeal and Design Potential

‘Ekoko might not be the showiest plant in your garden, but it has a quiet charm that native plant enthusiasts absolutely love. Its small, inconspicuous flowers and compact shrub form with delicate foliage create an understated elegance that works beautifully in:

  • Xeriscaping and drought-tolerant landscapes
  • Rock gardens and volcanic garden themes
  • Native Hawaiian plant collections
  • Coastal landscape designs
  • Conservation gardens focused on rare species

Growing Conditions: Keep It Simple

‘Ekoko is surprisingly low-maintenance once you understand its needs. This hardy little shrub prefers:

  • Full sun exposure
  • Well-draining soil (this is absolutely critical!)
  • Minimal water once established
  • USDA hardiness zones 10-12

The key to success with ‘ekoko is mimicking its natural habitat. Think dry, sunny, and well-drained – basically the opposite of a typical mainland garden!

Planting and Care Tips

When you’re lucky enough to obtain responsibly sourced ‘ekoko, here’s how to give it the best start:

  • Plant in a location with excellent drainage – soggy soil is this plant’s worst enemy
  • Water regularly during establishment, then back off significantly
  • Avoid fertilizing, as native Hawaiian plants often prefer nutrient-poor soils
  • Mulch lightly with volcanic rock or gravel rather than organic mulches
  • Prune minimally and only if necessary

Supporting Pollinators and Wildlife

While ‘ekoko’s flowers may be small and subtle, they can provide nectar for native Hawaiian insects and other small pollinators. By growing native plants like ‘ekoko, you’re supporting the entire ecosystem of native species that have co-evolved together over millennia.

The Bottom Line

‘Ekoko is a plant for the dedicated native plant gardener who understands the importance of conservation. While it may not be appropriate for every garden due to its rarity, those who can source it responsibly will be rewarded with a unique piece of Hawaiian botanical heritage. Just remember: with rare plants comes great responsibility. Always choose conservation over convenience, and your garden will be a true sanctuary for Hawaii’s irreplaceable native flora.

‘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