North America Native Plant

Na’ena’e Pua Kea

Botanical name: Dubautia paleata

USDA symbol: DUPA3

Life cycle: perennial

Habit: shrub

Native status: Native to Hawaii  

Synonyms: Dubautia ×paludicola Sherff (DUPA4)   

Na’ena’e Pua Kea: A Rare Hawaiian Wetland Treasure Worth Preserving If you’re passionate about Hawaiian native plants and have a thing for unique wetland species, you might want to get acquainted with na’ena’e pua kea (Dubautia paleata). This isn’t your typical backyard shrub – it’s a rare Hawaiian endemic that ...

Rare plant alert!

Region: Conservation status by state

Status: S1S2: 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) ⚘ 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) ⚘

Na’ena’e Pua Kea: A Rare Hawaiian Wetland Treasure Worth Preserving

If you’re passionate about Hawaiian native plants and have a thing for unique wetland species, you might want to get acquainted with na’ena’e pua kea (Dubautia paleata). This isn’t your typical backyard shrub – it’s a rare Hawaiian endemic that brings both beauty and ecological importance to specialized garden settings.

What Makes Na’ena’e Pua Kea Special?

Na’ena’e pua kea is a perennial shrub that’s exclusively native to Hawaii. As part of the diverse Dubautia genus (often called the silverswords), this multi-stemmed woody plant typically stays under 13-16 feet tall, making it a manageable size for dedicated native plant enthusiasts.

What really sets this plant apart is its specialized wetland nature and its conservation status. With a Global Conservation Status of S1S2, na’ena’e pua kea is considered rare to imperiled – meaning it’s not something you’ll stumble across at your local nursery.

Where Does It Naturally Grow?

This Hawaiian endemic is found only in the Hawaiian Islands, where it thrives in specialized wetland and bog environments. Its natural habitat gives us important clues about what it needs to flourish in cultivation.

Should You Grow Na’ena’e Pua Kea?

Here’s where things get interesting – and important. While na’ena’e pua kea can be a fascinating addition to the right garden, its rarity means you need to approach this plant responsibly.

The Good Reasons to Consider It:

  • Supports native Hawaiian ecosystem preservation
  • Attracts native pollinators and beneficial insects
  • Unique aesthetic appeal with its specialized wetland adaptations
  • Educational value for native plant collections
  • Contributes to conservation efforts when properly sourced

Important Considerations:

  • Only obtain plants from reputable, conservation-minded sources
  • Never collect from wild populations
  • Requires specialized wetland growing conditions
  • Limited availability due to rarity status

Creating the Right Growing Conditions

Na’ena’e pua kea has earned its Facultative Wetland status, which means it usually hangs out in wetlands but can occasionally tolerate drier spots. If you’re thinking about growing this rare beauty, you’ll need to recreate those boggy Hawaiian conditions.

What It Needs:

  • Consistently moist to wet soil conditions
  • USDA hardiness zones 10-12 (tropical to subtropical climates)
  • Full to partial sun exposure
  • Well-draining yet moisture-retentive soil
  • Protection from harsh, drying winds

Perfect Garden Settings

This isn’t a plant for every garden, but it can be absolutely perfect for the right situation:

  • Wetland gardens: Ideal for constructed wetlands or bog gardens
  • Native Hawaiian plant collections: Essential for authentic island flora displays
  • Conservation gardens: Perfect for educational and preservation-focused landscapes
  • Water feature edges: Great near ponds or water gardens with consistent moisture

Planting and Care Tips

Growing na’ena’e pua kea successfully is all about understanding its wetland nature:

  • Plant in spring when conditions are mild and moisture is abundant
  • Ensure soil never completely dries out – think consistently moist sponge
  • Mulch around the base to help retain moisture
  • Monitor for stress during drier periods and supplement water as needed
  • Avoid fertilizers unless specifically formulated for native Hawaiian plants

The Bottom Line

Na’ena’e pua kea is a plant for the dedicated native plant enthusiast who has the right growing conditions and a commitment to conservation. Its rarity makes it a special responsibility rather than just another garden plant.

If you have the right wetland garden setup and can source plants responsibly, growing na’ena’e pua kea can be a rewarding way to participate in Hawaiian plant conservation while enjoying a truly unique addition to your landscape. Just remember – with great botanical rarity comes great gardening responsibility!

For those who don’t have the specialized conditions this plant requires, consider supporting Hawaiian plant conservation organizations or visiting botanical gardens where you can appreciate na’ena’e pua kea in its proper setting.

Na’ena’e Pua Kea

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 paleata A. Gray - na'ena'e pua kea

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