North America Native Plant

Nihoa Pritchardia

Botanical name: Pritchardia aylmerrobinsonii

USDA symbol: PRAY

Life cycle: perennial

Habit: tree

Native status: Native to Hawaii  

Synonyms: Pritchardia remota Becc. ssp. aylmer-robinsonii (H. St. John) Read, ined. (PRREA)   

Nihoa Pritchardia: A Rare Hawaiian Palm Worth Protecting Meet the Nihoa pritchardia (Pritchardia aylmerrobinsonii), one of Hawaii’s most endangered palm species and a true botanical treasure. This remarkable native palm tells a story of island evolution and conservation challenges that every gardener should know about. What Makes This Palm Special? ...

Rare plant alert!

Region: United States

Status: Endangered: Status is uncertain but is somewhere between the following rankings: Endangered: In danger of extinction throughout all or a significant portion of its range. ⚘

Nihoa Pritchardia: A Rare Hawaiian Palm Worth Protecting

Meet the Nihoa pritchardia (Pritchardia aylmerrobinsonii), one of Hawaii’s most endangered palm species and a true botanical treasure. This remarkable native palm tells a story of island evolution and conservation challenges that every gardener should know about.

What Makes This Palm Special?

The Nihoa pritchardia is a stunning single-trunk palm that can grow over 13-16 feet tall under ideal conditions. Like other members of the Pritchardia family, it develops beautiful fan-shaped leaves that create an unmistakably tropical silhouette. As a perennial tree, it’s built to last for decades when given proper care.

This palm also goes by the synonym Pritchardia remota ssp. aylmer-robinsonii, reflecting its close relationship to other Hawaiian pritchardias.

A Truly Hawaiian Native

What sets the Nihoa pritchardia apart is its incredibly limited native range. This palm is endemic to Hawaii, specifically found on the tiny, remote island of Nihoa in the Northwestern Hawaiian Islands. Talk about exclusive real estate!

Why You Should (Carefully) Consider This Palm

Here’s where things get serious: the Nihoa pritchardia is listed as Endangered in the United States. This means it’s at risk of extinction in the wild, making every cultivated specimen precious for conservation efforts.

Important Conservation Note: If you’re considering adding this palm to your garden, please ensure you source it responsibly from reputable nurseries that propagate from legally obtained material. Never collect from wild populations.

Growing Conditions and Care

Like most Hawaiian palms, the Nihoa pritchardia thrives in tropical conditions:

  • USDA Hardiness Zones 10-11 (requires year-round warmth)
  • Warm, humid environment
  • Well-draining soil
  • Protection from strong winds
  • Consistent moisture without waterlogging

Garden Design Role

When successfully grown, this palm makes an exceptional specimen tree for tropical and subtropical landscapes. Its elegant form works beautifully as a focal point in Hawaiian native plant gardens or as part of a broader tropical plant collection.

The Conservation Connection

By growing endangered native species like the Nihoa pritchardia in cultivation, gardeners become part of important conservation efforts. These gardens serve as living seed banks and help maintain genetic diversity outside of wild populations.

However, this responsibility comes with the need to source plants ethically and support conservation-minded nurseries that work with botanists and conservation organizations.

Is This Palm Right for Your Garden?

Consider the Nihoa pritchardia if you:

  • Live in a tropical climate (zones 10-11)
  • Want to support Hawaiian native plant conservation
  • Can provide consistent warm, humid conditions
  • Have space for a medium-sized palm tree
  • Can source the plant responsibly

This isn’t a palm for casual gardeners or those in cooler climates, but for the right gardener in the right location, it offers the chance to grow a piece of Hawaiian natural history while contributing to conservation efforts.

Remember: with great palms comes great responsibility. By choosing to grow endangered species like the Nihoa pritchardia, you’re joining a community of gardeners who understand that sometimes the most beautiful plants are also the most precious.

Nihoa Pritchardia

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Arecidae

Order

Arecales

Family

Arecaceae Bercht. & J. Presl - Palm family

Genus

Pritchardia Seem. & H. Wendl. - pritchardia

Species

Pritchardia aylmer-robinsonii H. St. John - Nihoa pritchardia

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