Native Plants

Maui Wormwood

Artemisia mauiensis

USDA symbol: ARMA10

perennial subshrub

Hawaii: native

If you’re passionate about native Hawaiian plants and conservation, you’ve probably heard whispers about Maui wormwood (Artemisia mauiensis). This isn’t your typical garden center find – it’s one of Hawaii’s most precious and imperiled native plants, making it both fascinating and challenging for gardeners who want to grow authentic island ...

Maui Wormwood may be listed as rare in your area.
Global Conservation Status

Status: S2 | Imperiled: Extremely rare. Typically 6 to 20 occurrences or 1,000 to 3,000 remaining individuals.

Maui Wormwood: A Rare Hawaiian Treasure Worth Protecting

If you’re passionate about native Hawaiian plants and conservation, you’ve probably heard whispers about Maui wormwood (Artemisia mauiensis). This isn’t your typical garden center find – it’s one of Hawaii’s most precious and imperiled native plants, making it both fascinating and challenging for gardeners who want to grow authentic island flora.

What Makes Maui Wormwood Special?

Maui wormwood is a perennial shrub that’s found nowhere else in the world except Hawaii. This multi-stemmed woody plant typically grows less than 13-16 feet tall, with several stems arising from near the ground. Like other members of the Artemisia family, it likely boasts the characteristic silver-gray, aromatic foliage that makes wormwoods so distinctive and appealing in drought-tolerant landscapes.

What sets this plant apart isn’t just its Hawaiian heritage – it’s its rarity. Maui wormwood has a Global Conservation Status of S2, meaning it’s imperiled due to extreme rarity. With only 6 to 20 known occurrences and an estimated 1,000 to 3,000 individuals remaining in the wild, this plant is fighting for survival.

Where Does Maui Wormwood Grow?

As its name suggests, this endemic species is native exclusively to Hawaii, with its natural habitat likely concentrated on the island of Maui. This geographic restriction makes it incredibly special but also vulnerable to environmental changes and habitat loss.

  • Species observed
  • No observations

Should You Plant Maui Wormwood?

Here’s where things get tricky. While supporting native Hawaiian plants is admirable, Maui wormwood’s imperiled status means you need to be extremely careful about sourcing. If you’re considering adding this rare beauty to your garden, here are the key points to consider:

  • Conservation responsibility: Only obtain plants from reputable native plant nurseries that practice ethical propagation
  • Avoid wild collection: Never harvest from wild populations – this could push the species closer to extinction
  • Location matters: This plant is best suited for Hawaiian gardens and may not survive in other climates
  • Support conservation: Consider donating to Hawaiian native plant conservation efforts instead of or in addition to growing the plant

Growing Conditions and Care

While specific cultivation information for Maui wormwood is limited due to its rarity, we can make educated guesses based on other Artemisia species and its Hawaiian habitat:

  • Climate: Best suited for Hawaiian growing conditions
  • Soil: Likely prefers well-draining soil, as most Artemisia species do
  • Sunlight: Probably thrives in full sun locations
  • Water: As a drought-tolerant native, it likely needs minimal supplemental watering once established
  • Maintenance: Minimal care requirements, typical of hardy native shrubs

Garden Design Ideas

If you’re lucky enough to obtain responsibly sourced Maui wormwood, it would be perfect for:

  • Native Hawaiian plant gardens
  • Rock gardens and xeriscaping projects
  • Educational or conservation-focused landscapes
  • Areas where you want to showcase rare native plants

The Bottom Line

Maui wormwood represents both an incredible opportunity and a serious responsibility. This rare Hawaiian endemic deserves our protection and respect. If you’re interested in growing it, make sure you’re contributing to conservation efforts rather than potentially harming wild populations.

For most gardeners, supporting Maui wormwood might be better achieved through donations to Hawaiian plant conservation organizations or by growing other native Hawaiian plants that are more readily available and less threatened. Sometimes the best way to love a plant is to admire it from afar while working to ensure its survival for future generations.

Remember: with great botanical rarity comes great gardening responsibility. Let’s make sure this unique piece of Hawaiian natural heritage has a fighting chance to thrive for years to come.

Artemisia mauiensis is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Artemisia mauiensis is also known as:

Artemisia mauiensis var. diffusa | USDA symbol: ARMAD

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Asteridae
Order: Asterales
Family: Asteraceae Bercht. & J. Presl - Aster family
Genus: Artemisia L. - sagebrush

Species: Artemisia mauiensis (A. Gray) Skottsb. - Maui wormwood

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