Native Plants

Forest Dubautia

Dubautia knudsenii knudsenii

USDA symbol: DUKNK

perennial shrub

Hawaii: native

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. Forest dubautia is a perennial ...

Forest Dubautia may be listed as rare in your area.
Global Conservation Status

Status: S2T2 | Subspecies or variety is imperiled: Extremely rare. Typically 6 to 20 occurrences or 1,000 to 3,000 remaining individuals.

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.

  • Species observed
  • No observations

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.

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: Dubautia Gaudich. - dubautia

Species: Dubautia knudsenii Hillebr. - forest dubautia

Subspecies: Dubautia knudsenii Hillebr. ssp. knudsenii - 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