North America Native Plant

Shrubland Dubautia

Botanical name: Dubautia linearis opposita

USDA symbol: DULIO

Life cycle: perennial

Habit: shrub

Native status: Native to Hawaii  

Synonyms: Dubautia linearis (Gaudich.) D.D. Keck var. opposita (Sherff) D.D. Keck (DULIO2)  âš˜  Railliardia linearis Gaudich. var. opposita Sherff (RALIO)   

Shrubland Dubautia: A Rare Hawaiian Native Worth Growing Responsibly If you’re passionate about Hawaiian native plants and looking to add something truly special to your garden, shrubland dubautia might just be the hidden gem you’ve been searching for. This charming endemic shrub brings a piece of authentic Hawaiian wilderness right ...

Rare plant alert!

Region: Conservation status by state

Status: S3T2: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘ 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 ⚘

Shrubland Dubautia: A Rare Hawaiian Native Worth Growing Responsibly

If you’re passionate about Hawaiian native plants and looking to add something truly special to your garden, shrubland dubautia might just be the hidden gem you’ve been searching for. This charming endemic shrub brings a piece of authentic Hawaiian wilderness right to your landscape, though it requires some special consideration due to its conservation status.

What Makes Shrubland Dubautia Special?

Shrubland dubautia (Dubautia linearis opposita) is a perennial shrub that’s as Hawaiian as it gets – you won’t find this beauty growing wild anywhere else in the world. This endemic species calls the volcanic slopes of Maui and Hawaii Island home, where it has evolved to thrive in some pretty challenging conditions.

The plant typically grows as a multi-stemmed woody shrub, usually staying under 13-16 feet tall, though most garden specimens remain much more compact. Its narrow, linear leaves give it a delicate, almost grass-like appearance that contrasts beautifully with its cheerful yellow daisy-like flowers.

Where Does It Grow Naturally?

This rare native is found exclusively in Hawaii, specifically on the islands of Maui and Hawaii Island. In the wild, it inhabits shrubland areas where it has adapted to volcanic soils and variable rainfall patterns.

Important Conservation Note

Here’s something crucial every gardener needs to know: shrubland dubautia has a conservation status of S3T2, indicating it’s quite rare in its natural habitat. While this makes it an incredibly special addition to any native Hawaiian garden, it also means you have a responsibility to source it ethically.

Only purchase shrubland dubautia from reputable native plant nurseries that propagate their own stock. Never collect plants or seeds from wild populations – this could harm already vulnerable native communities.

Why Choose Shrubland Dubautia for Your Garden?

Despite its rarity (or perhaps because of it), there are compelling reasons to consider this native Hawaiian shrub:

  • Authentic Hawaiian character: Nothing says Hawaiian garden like plants that actually belong here
  • Drought tolerance: Once established, it handles dry periods like a champ
  • Pollinator support: Those yellow blooms attract native Hawaiian insects and other beneficial pollinators
  • Low maintenance: Perfect for gardeners who want beauty without the fuss
  • Conservation value: You’re literally helping preserve Hawaiian biodiversity

Growing Conditions and Care

The good news is that shrubland dubautia isn’t particularly demanding once you understand its preferences:

Climate Requirements: This tropical native thrives in USDA zones 10-11 only. If you’re outside Hawaii or similar tropical climates, this isn’t the plant for you.

Sunlight: Give it full sun to partial shade. In Hawaii’s intense midday sun, a bit of afternoon shade can be beneficial.

Soil: Well-draining soil is absolutely essential. It’s adapted to volcanic soils, so don’t worry if your soil isn’t particularly rich – just make sure water doesn’t sit around the roots.

Water: Here’s where it gets interesting. While establishing (first year), provide regular water. After that, it’s surprisingly drought-tolerant and actually prefers to dry out between waterings.

Planting and Maintenance Tips

Getting your shrubland dubautia off to a good start is pretty straightforward:

  • Planting: Choose a spot with good drainage and morning sun. Dig a hole slightly wider than the root ball but no deeper
  • Spacing: Allow 3-4 feet between plants if you’re planting multiples
  • Mulching: A light layer of organic mulch helps retain moisture during establishment
  • Pruning: Light pruning after flowering helps maintain shape and encourages bushier growth
  • Fertilizing: Generally unnecessary – these plants evolved in nutrient-poor volcanic soils

Landscape Design Ideas

Shrubland dubautia works beautifully in several garden settings:

  • Native Hawaiian gardens: The obvious choice, paired with other indigenous plants
  • Xeriscapes: Perfect for water-wise landscaping
  • Coastal gardens: Handles salt air reasonably well
  • Slope plantings: Excellent for erosion control on hillsides
  • Container growing: Works well in large pots for smaller spaces

The Bottom Line

Shrubland dubautia offers Hawaiian gardeners a chance to grow something truly special – a rare native that’s both beautiful and meaningful. Yes, its conservation status means you need to be extra careful about sourcing, but that just makes it more precious.

If you can find responsibly propagated plants and you’re gardening in Hawaii’s tropical climate, shrubland dubautia deserves serious consideration. You’ll be growing a piece of Hawaiian natural heritage while creating habitat for native pollinators and adding unique character to your landscape.

Just remember: with rare natives comes great responsibility. Source ethically, grow mindfully, and maybe even share seeds with other conservation-minded gardeners. Your garden – and Hawaii’s native ecosystems – will thank you.

Shrubland Dubautia

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

Dubautia Gaudich. - dubautia

Species

Dubautia linearis (Gaudich.) D.D. Keck - shrubland dubautia

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