Native Plants

Napali Coast Papala

Charpentiera densiflora

USDA symbol: CHDE3

perennial tree

Hawaii: native

If you’ve ever dreamed of growing a piece of authentic Hawaiian flora, the Napali coast papala (Charpentiera densiflora) might catch your eye. But before you start planning where to plant this native Hawaiian tree, there’s something crucial you need to know: this remarkable species is fighting for survival. The Napali ...

Napali Coast Papala may be listed as rare in your area.
Global Conservation Status

Status: S1 | Critically imperiled: Typically 5 or fewer occurrences or under 1,000 remaining individuals.

United States

Status: Endangered | Endangered. In danger of extinction throughout all or a significant portion of its range.

Napali Coast Papala: Hawaii’s Critically Endangered Native Tree

If you’ve ever dreamed of growing a piece of authentic Hawaiian flora, the Napali coast papala (Charpentiera densiflora) might catch your eye. But before you start planning where to plant this native Hawaiian tree, there’s something crucial you need to know: this remarkable species is fighting for survival.

What Makes This Plant Special

The Napali coast papala is a perennial tree native exclusively to Hawaii, typically growing 13-16 feet tall under ideal conditions. As its common name suggests, this species has strong connections to Hawaii’s dramatic Napali coast region, where it clings to life in some of the most remote and challenging terrain imaginable.

A Plant in Crisis

Here’s where things get serious: Charpentiera densiflora holds a Global Conservation Status of S1, meaning it’s critically imperiled. In the United States, it’s classified as Endangered. With typically fewer than 5 occurrences and very few remaining individuals (less than 1,000), this tree is on the brink of extinction.

What this means for gardeners: This isn’t a plant you can casually add to your landscape. Any cultivation should only be attempted through authorized conservation programs with responsibly sourced material.

Where It Calls Home

This endemic species grows exclusively in Hawaii, making it a true island treasure. Its natural habitat consists of steep cliffs and remote areas that have helped protect the few remaining populations from human disturbance.

  • Species observed
  • No observations

Growing Conditions and Care

Even if you could legally and ethically source this plant, growing Napali coast papala would be extremely challenging:

  • Climate requirements: USDA Hardiness Zones 10-12 only (tropical/subtropical conditions)
  • Soil needs: Well-draining tropical soils
  • Light preferences: Adapted to Hawaii’s unique light conditions with some shade tolerance
  • Specialized care: Requires expert knowledge of Hawaiian native plant cultivation

Why Conservation Matters

Rather than attempting to grow this endangered species, consider these alternatives:

  • Support Hawaiian conservation organizations working to protect remaining populations
  • Choose other native Hawaiian plants that are more readily available and less threatened
  • Visit botanical gardens or nature preserves where conservation efforts may allow you to see this species

The Bottom Line

While the Napali coast papala represents an important piece of Hawaii’s natural heritage, its critically endangered status means it belongs in conservation programs rather than home gardens. If you’re passionate about Hawaiian native plants, there are many other beautiful species that you can grow responsibly while supporting this tree’s conservation from afar.

Remember: the best way to appreciate some plants is to ensure they survive in their natural habitat for future generations to discover and admire.

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Caryophyllidae
Order: Caryophyllales
Family: Amaranthaceae Martinov - Amaranth family
Genus: Charpentiera Gaudich. - papala

Species: Charpentiera densiflora Sohmer - Napali coast papala

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