North America Native Plant

‘aiakanene

Botanical name: Coprosma ernodeoides

USDA symbol: COER3

Life cycle: perennial

Habit: shrub

Native status: Native to Hawaii  

Synonyms: Coprosma ernodeoides A. Gray var. mauiensis H. St. John (COERM)   

‘Aiakanene: A Rare Hawaiian Native Worth Protecting in Your Garden If you’re passionate about Hawaiian native plants and conservation gardening, you may have heard whispers about ‘aiakanene (Coprosma ernodeoides) – a charming but increasingly rare shrub that once dotted Hawaii’s dry forests. This unassuming plant might not win any flashy ...

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 ⚘

‘Aiakanene: A Rare Hawaiian Native Worth Protecting in Your Garden

If you’re passionate about Hawaiian native plants and conservation gardening, you may have heard whispers about ‘aiakanene (Coprosma ernodeoides) – a charming but increasingly rare shrub that once dotted Hawaii’s dry forests. This unassuming plant might not win any flashy flower contests, but it packs a powerful punch when it comes to ecological value and authentic Hawaiian landscaping.

What Makes ‘Aiakanene Special?

‘Aiakanene is a perennial shrub that typically grows as a multi-stemmed woody plant, usually staying under 13-16 feet tall. What it lacks in size, it makes up for in character. This native Hawaiian endemic produces tiny white to greenish flowers that may seem modest, but they’re perfectly designed to attract Hawaii’s native pollinators. The real show comes later when small orange to red berries appear, adding subtle pops of color to the landscape.

Where Does ‘Aiakanene Call Home?

This special plant is endemic to Hawaii, meaning you won’t find it growing wild anywhere else on Earth. It’s primarily found on Maui and the Big Island, where it once thrived in dry forest ecosystems. Today, ‘aiakanene has a vulnerable conservation status (S3), with only 21-100 known occurrences and an estimated 3,000-10,000 individuals remaining in the wild.

A Word of Caution for Conservation-Minded Gardeners

Here’s where things get serious: because ‘aiakanene is rare and vulnerable, it’s crucial that anyone interested in growing this plant sources it responsibly. Never collect seeds or cuttings from wild populations – this can further threaten already fragile communities. Instead, work with reputable native plant nurseries or botanical gardens that propagate from ethically sourced material.

Why Consider ‘Aiakanene for Your Hawaiian Garden?

If you’re committed to authentic Hawaiian landscaping and conservation, ‘aiakanene offers several compelling reasons to include it in your garden:

  • **Authentic Hawaiian heritage:** This plant has been part of Hawaii’s ecosystem for thousands of years
  • **Low maintenance:** Once established, it’s quite drought-tolerant and requires minimal care
  • **Erosion control:** Perfect for slopes and areas where you need natural stabilization
  • **Wildlife support:** Provides food and habitat for native Hawaiian wildlife
  • **Conservation impact:** Every responsibly grown plant helps preserve genetic diversity

Growing Conditions and Care

‘Aiakanene is surprisingly adaptable, which explains how it survived in Hawaii’s diverse microclimates. Here’s what this resilient shrub prefers:

**Location:** While it’s classified as facultative upland, meaning it usually grows in non-wetland areas, it can tolerate some moisture. It thrives in partial shade to full sun conditions, making it versatile for different garden spots.

**Soil:** Well-draining soil is non-negotiable. This plant evolved in volcanic soils that drain quickly, so heavy clay or constantly wet conditions will spell trouble.

**Water:** Drought-tolerant once established, but appreciates regular watering during its first year while roots develop.

**Climate:** Best suited for USDA hardiness zones 10-11, which means it needs tropical to subtropical conditions year-round.

Planting and Long-term Care

Getting ‘aiakanene established requires patience and attention to detail:

  • Plant during Hawaii’s cooler months when possible
  • Dig a hole twice as wide as the root ball but no deeper
  • Water regularly for the first 6-12 months while roots establish
  • Mulch around the base to retain moisture and suppress weeds
  • Once established, minimal pruning or fertilization needed

The Perfect Garden Fit

‘Aiakanene shines in native Hawaiian gardens, dry forest restoration projects, and naturalistic landscapes. It works beautifully as an understory shrub beneath taller native trees or as part of a mixed native shrub border. Its modest size and growth habit make it ideal for smaller residential gardens where you want authentic Hawaiian character without overwhelming the space.

Making a Conservation Impact

By choosing to grow ‘aiakanene responsibly, you’re not just adding a unique plant to your garden – you’re participating in conservation. Every healthy plant represents genetic diversity preserved and potentially available for future restoration efforts. Just remember: source responsibly, grow thoughtfully, and perhaps most importantly, share your knowledge with other conservation-minded gardeners.

While ‘aiakanene may not be the flashiest choice for Hawaiian gardens, it offers something increasingly rare: a direct connection to Hawaii’s authentic botanical heritage and a chance to make a real difference in plant conservation.

‘aiakanene

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

Coprosma J.R. Forst. & G. Forst. - mirrorplant

Species

Coprosma ernodeoides A. Gray - 'aiakanene

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