North America Native Plant

‘ekoko

Botanical name: Chamaesyce celastroides

USDA symbol: CHCE

Life cycle: perennial

Habit: shrub

Native status: Native to Hawaii  

‘Ekoko: A Rare Hawaiian Native Worth Protecting in Your Garden If you’re passionate about native Hawaiian plants and want to add something truly special to your garden, ‘ekoko (Chamaesyce celastroides) might just be the perfect choice. This unassuming little shrub packs a big punch when it comes to cultural significance ...

Rare plant alert!

Region: Conservation status by state

Status: S3: Status is uncertain but is somewhere between the following rankings: 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 Worth Protecting in Your Garden

If you’re passionate about native Hawaiian plants and want to add something truly special to your garden, ‘ekoko (Chamaesyce celastroides) might just be the perfect choice. This unassuming little shrub packs a big punch when it comes to cultural significance and ecological value, though it comes with some important considerations every responsible gardener should know.

What Is ‘Ekoko?

‘Ekoko is a perennial shrub that’s completely native to the Hawaiian Islands. Don’t let its modest size fool you – this multi-stemmed woody plant typically stays under 13-16 feet tall, making it perfect for smaller landscapes. Like most shrubs, it develops several stems from near the ground, creating a naturally bushy appearance that works beautifully in native Hawaiian garden designs.

Where Does ‘Ekoko Naturally Grow?

This special plant is endemic to Hawaii, meaning it grows naturally nowhere else on Earth. You’ll find it scattered across the Hawaiian Islands, though it’s become increasingly rare in the wild.

Important Conservation Note

Here’s something crucial every gardener needs to know: ‘ekoko has a Global Conservation Status of S3, which means it’s considered vulnerable. With only an estimated 3,000 to 10,000 individuals remaining and typically just 21 to 100 known locations, this plant is at risk of disappearing from its native habitat. If you decide to grow ‘ekoko, please only source it from reputable native plant nurseries that propagate plants responsibly – never collect from the wild.

Why Grow ‘Ekoko in Your Garden?

There are several compelling reasons to consider this native Hawaiian shrub:

  • Perfect for drought-tolerant landscaping once established
  • Supports native Hawaiian ecosystems and pollinators
  • Adds authentic cultural significance to native plant gardens
  • Requires minimal maintenance in the right conditions
  • Ideal size for smaller landscapes and rock gardens

Garden Design and Landscape Role

‘Ekoko works wonderfully in several garden styles. It’s particularly suited for:

  • Native Hawaiian landscape designs
  • Drought-tolerant and xerophytic gardens
  • Rock gardens where its compact form shines
  • Cultural or educational plantings
  • Ground cover applications in appropriate climates

Growing Conditions and Care

Like many Hawaiian natives, ‘ekoko appreciates conditions that mimic its natural habitat. Here’s what it needs to thrive:

  • Climate: USDA hardiness zones 10-12 (tropical and subtropical areas)
  • Sunlight: Full sun to partial shade
  • Soil: Well-draining soil is absolutely essential – this plant won’t tolerate waterlogged conditions
  • Water: Drought-tolerant once established, but needs regular water while getting established
  • Protection: Shield from strong winds when possible

Planting and Care Tips

Getting your ‘ekoko off to a good start is straightforward if you follow these guidelines:

  • Plant in well-draining soil – amend heavy clay soils with sand or organic matter
  • Water regularly for the first few months until the plant establishes
  • Once established, water sparingly – overwatering is more harmful than underwatering
  • Minimal fertilization needed, as Hawaiian natives often prefer lean soils
  • Prune lightly if needed to maintain shape
  • Watch for pests, though native plants typically have fewer issues

Supporting Pollinators and Wildlife

While ‘ekoko may produce small, inconspicuous flowers, these blooms can attract small native insects and contribute to the local ecosystem. Every native plant you add to your garden helps support the complex web of life that has evolved in Hawaii over thousands of years.

The Bottom Line

‘Ekoko represents both an opportunity and a responsibility for Hawaiian gardeners. This rare native shrub can add authentic beauty and ecological value to your landscape, but only if we grow it responsibly. By choosing nursery-propagated plants and helping to increase the cultivated population, you’re contributing to conservation efforts while enjoying a truly special piece of Hawaiian natural heritage.

Remember, with great plants comes great responsibility – especially when they’re as rare and special as ‘ekoko!

‘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