North America Native Plant

Forest Dubautia

Botanical name: Dubautia knudsenii knudsenii

USDA symbol: DUKNK

Life cycle: perennial

Habit: shrub

Native status: Native to Hawaii  

Forest Dubautia: A Rare Hawaiian Native Worth Protecting Meet the forest dubautia (Dubautia knudsenii knudsenii), one of Hawaii’s most precious native shrubs that deserves a special place in the hearts of conservation-minded gardeners. This isn’t your typical backyard plant – it’s a rare gem that tells the story of Hawaii’s ...

Rare plant alert!

Region: Conservation status by state

Status: S2T2: Status is uncertain but is somewhere between the following rankings: 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) ⚘ 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) ⚘

Forest Dubautia: A Rare Hawaiian Native Worth Protecting

Meet the forest dubautia (Dubautia knudsenii knudsenii), one of Hawaii’s most precious native shrubs that deserves a special place in the hearts of conservation-minded gardeners. This isn’t your typical backyard plant – it’s a rare gem that tells the story of Hawaii’s unique botanical heritage.

What Makes Forest Dubautia Special?

Forest dubautia is a perennial shrub that naturally grows as a multi-stemmed woody plant, typically staying under 13-16 feet tall. What sets this plant apart isn’t just its graceful growth habit, but its incredible rarity and ecological importance to Hawaiian ecosystems.

This beautiful native produces clusters of small, cheerful yellow composite flowers that create a lovely contrast against its silvery-green foliage. The blooms aren’t just pretty to look at – they’re magnets for Hawaii’s native pollinators and insects, playing a crucial role in supporting local wildlife.

Where You’ll Find Forest Dubautia

This special shrub is endemic to Hawaii, meaning it exists nowhere else on Earth. You’ll find it growing naturally in Hawaii’s native forests, where it has adapted to thrive in the islands’ unique conditions.

A Plant That Needs Our Help

Here’s the important part: forest dubautia has a Global Conservation Status of S2T2, which means it’s considered imperiled. This rare status makes it a plant that needs our protection rather than casual cultivation. If you’re considering adding this beauty to your garden, it’s crucial to source it responsibly from reputable native plant nurseries or conservation programs.

Growing Forest Dubautia: For the Dedicated Native Plant Gardener

Growing forest dubautia isn’t for the casual gardener – it’s a commitment to conservation. This plant thrives in USDA hardiness zones 10-11, making it suitable only for tropical and subtropical climates.

Ideal Growing Conditions

  • Well-drained soils that mimic native forest conditions
  • Partial shade to full sun exposure
  • Protection from strong winds
  • Consistent moisture without waterlogging

Planting and Care Tips

  • Choose a location that receives morning sun and afternoon shade
  • Ensure excellent drainage to prevent root rot
  • Water regularly but allow soil to dry slightly between waterings
  • Mulch around the base to retain moisture and suppress weeds
  • Avoid fertilizers – native plants prefer their natural soil conditions

Perfect for Conservation Gardens

Forest dubautia shines in native Hawaiian gardens and conservation-focused landscapes. It pairs beautifully with other native Hawaiian plants and creates habitat for local wildlife. This isn’t a plant for formal gardens or high-maintenance landscapes – it’s for gardeners who want to make a difference in preserving Hawaii’s natural heritage.

Supporting Wildlife

When you plant forest dubautia, you’re not just adding a beautiful shrub to your garden – you’re creating a mini ecosystem. The flowers attract native Hawaiian pollinators, while the plant structure provides shelter and nesting opportunities for local wildlife.

Should You Plant Forest Dubautia?

If you’re a dedicated native plant enthusiast in Hawaii with access to responsibly sourced plants, absolutely! However, remember that growing this rare species comes with responsibility. You’re becoming a steward of Hawaii’s botanical heritage.

For gardeners outside of Hawaii or those new to native plants, consider starting with more common native species before taking on the challenge of rare plants like forest dubautia. Every native plant you grow helps support local ecosystems, and there are many wonderful options to choose from.

Forest dubautia represents the best of Hawaiian native plants – beautiful, ecologically important, and deeply connected to the islands’ natural history. By choosing to grow and protect these rare species, we’re all doing our part to preserve Hawaii’s incredible botanical diversity for future generations.

Forest 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 knudsenii Hillebr. - forest dubautia

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