North America Native Plant

Maui Tetramolopium

Botanical name: Tetramolopium arenarium

USDA symbol: TEAR3

Life cycle: perennial

Habit: shrub

Native status: Native to Hawaii  

Maui Tetramolopium: A Rare Hawaiian Gem Worth Protecting in Your Garden If you’re passionate about native Hawaiian plants and conservation gardening, the Maui tetramolopium (Tetramolopium arenarium) might just capture your heart. This enchanting little shrub is more than just a pretty face – it’s a critically important piece of Hawaii’s ...

Rare plant alert!

Region: United States

Status: S1: Status is uncertain but is somewhere between the following rankings: 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) ⚘ Endangered: In danger of extinction throughout all or a significant portion of its range. ⚘

Region: United States

Maui Tetramolopium: A Rare Hawaiian Gem Worth Protecting in Your Garden

If you’re passionate about native Hawaiian plants and conservation gardening, the Maui tetramolopium (Tetramolopium arenarium) might just capture your heart. This enchanting little shrub is more than just a pretty face – it’s a critically important piece of Hawaii’s natural heritage that desperately needs our help.

What Makes Maui Tetramolopium Special?

The Maui tetramolopium is a charming perennial shrub that typically grows 4-5 feet tall with multiple stems branching from the base. What really sets this plant apart are its delicate, daisy-like flowers that bloom in clusters, ranging from pristine white to soft pale purple. The silvery-green foliage provides a lovely backdrop that makes those blooms absolutely pop!

This beauty is endemic to Maui, meaning you won’t find it growing wild anywhere else on Earth. It’s perfectly adapted to Hawaii’s unique coastal and subalpine environments, making it a true island original.

Where Does It Call Home?

Maui tetramolopium is found exclusively in Hawaii, specifically on the island of Maui. In the wild, it thrives in coastal areas and subalpine zones where the conditions are just right for its specialized needs.

A Plant in Peril – Why This Matters

Important Conservation Alert: Before you fall completely in love with this plant, there’s something crucial you need to know. Maui tetramolopium is critically imperiled with a Global Conservation Status of S1 and is listed as Endangered. This means there are typically fewer than 1,000 individuals left in the wild, with only 5 or fewer known populations.

While this makes the plant incredibly special, it also means that if you choose to grow it, you must source it responsibly from reputable native plant nurseries that propagate from legally collected seeds or cuttings – never from wild populations.

Why Grow Maui Tetramolopium?

Despite its rarity (or perhaps because of it), there are compelling reasons to consider adding this plant to your garden:

  • Conservation impact: Every responsibly grown plant helps preserve this species
  • Unique beauty: Those silvery leaves and delicate flowers are simply stunning
  • Pollinator magnet: Native Hawaiian insects and butterflies love visiting the blooms
  • Low maintenance: Once established, it’s quite drought tolerant
  • Perfect for specialized gardens: Ideal for native Hawaiian, rock, or coastal-themed landscapes

Growing Conditions and Care

If you’re lucky enough to find responsibly sourced Maui tetramolopium, here’s how to keep it happy:

Climate Requirements: This tropical beauty thrives in USDA hardiness zones 10-11, so it’s really only suitable for Hawaii and the most southern parts of Florida, California, and Texas.

Soil and Drainage: The absolute key to success is excellent drainage. Think sandy or volcanic soils that drain quickly – waterlogged roots are this plant’s worst enemy.

Sun and Water: Full sun is preferred, and while it needs regular water to get established, mature plants are surprisingly drought tolerant. The trick is finding that sweet spot between too much and too little water.

Garden Design Ideas

Maui tetramolopium shines in:

  • Native Hawaiian plant gardens
  • Rock gardens with excellent drainage
  • Coastal landscape designs
  • Xerophytic (drought-tolerant) garden beds
  • Conservation-focused landscapes

The Bottom Line

Should you plant Maui tetramolopium? If you live in the right climate, have access to responsibly sourced plants, and are committed to conservation, absolutely! Just remember that with great beauty comes great responsibility. By choosing to grow this endangered species, you’re not just adding a stunning plant to your garden – you’re becoming a guardian of Hawaii’s irreplaceable natural heritage.

Always purchase from reputable native plant nurseries and never collect from wild populations. Together, we can help ensure that future generations will be able to enjoy the simple magic of Maui tetramolopium’s delicate blooms dancing in the island breeze.

Maui Tetramolopium

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

Asterales

Family

Asteraceae Bercht. & J. Presl - Aster family

Genus

Tetramolopium Nees - tetramolopium

Species

Tetramolopium arenarium (A. Gray) Hillebr. - Maui tetramolopium

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