North America Native Plant

Napali Beach Starviolet

Botanical name: Hedyotis

USDA symbol: HEST2

Life cycle: perennial

Habit: subshrub

Native status: Native to Hawaii  

Napali Beach Starviolet: A Rare Hawaiian Treasure Worth Protecting If you’re passionate about native Hawaiian plants and conservation, you’ve probably wondered about some of the islands’ rarest botanical gems. Meet the Napali Beach starviolet (Hedyotis), a tiny but mighty perennial that’s as rare as it is beautiful. This little forb ...

Rare plant alert!

Region: Conservation status by state

Status: S1: 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) ⚘

Napali Beach Starviolet: A Rare Hawaiian Treasure Worth Protecting

If you’re passionate about native Hawaiian plants and conservation, you’ve probably wondered about some of the islands’ rarest botanical gems. Meet the Napali Beach starviolet (Hedyotis), a tiny but mighty perennial that’s as rare as it is beautiful. This little forb might not be the showiest plant in your garden, but it carries the incredible distinction of being one of Hawaii’s most critically endangered native species.

What Makes This Plant Special?

The Napali Beach starviolet is a delicate perennial herb that stays low to the ground, lacking any woody stems or trunk. Think of it as nature’s own living carpet – soft, unassuming, and perfectly adapted to island life. As a forb, it’s designed to hug the earth and spread gently rather than reach for the sky.

Where Does It Call Home?

This remarkable plant is found exclusively in Hawaii, making it a true island endemic. Its entire world consists of these beautiful Pacific islands, and sadly, its range has become extremely limited over time.

A Plant in Crisis: Why Rarity Matters

Here’s where things get serious – the Napali Beach starviolet holds a Global Conservation Status of S1, which translates to Critically Imperiled. This means we’re talking about fewer than 5 known locations where this plant still exists, with likely fewer than 1,000 individual plants remaining in the wild. In plant conservation terms, this is red-alert territory.

What does this mean for gardeners? If you’re fortunate enough to encounter this species, you’re looking at something incredibly precious that needs our protection more than our cultivation.

Should You Grow Napali Beach Starviolet?

The short answer is: only if you can source it completely responsibly. Given its critically imperiled status, this isn’t a plant you should casually add to your garden wish list. However, if you’re involved in conservation efforts or work with reputable native plant organizations that propagate rare species for preservation purposes, growing this plant could actually help its survival.

Responsible Growing Guidelines:

  • Only obtain plants from certified conservation programs or botanical institutions
  • Never collect from wild populations
  • Consider participating in seed banking or conservation propagation programs
  • Share your knowledge about this species to raise conservation awareness

Growing Conditions and Care

If you do have the opportunity to grow Napali Beach starviolet through proper conservation channels, here’s what this Hawaiian native needs to thrive:

Climate Requirements:

  • USDA Hardiness Zones 10-11 (essentially Hawaii’s year-round tropical climate)
  • Warm temperatures with minimal seasonal variation
  • High humidity levels

Growing Preferences:

  • Well-draining soil that doesn’t stay soggy
  • Partial shade to full sun exposure
  • Minimal watering once established – overwatering can be fatal
  • Protection from strong winds

Garden Design Role

In the rare instances where this plant can be responsibly cultivated, the Napali Beach starviolet works beautifully as:

  • Ground cover in native Hawaiian plant collections
  • Accent plant in rock gardens
  • Educational specimen in botanical or conservation gardens
  • Living reminder of Hawaii’s incredible botanical heritage

Supporting Conservation Efforts

Even if you never get to grow this rare beauty yourself, you can still support its survival. Consider donating to Hawaiian native plant conservation organizations, volunteering for habitat restoration projects, or simply spreading awareness about Hawaii’s endangered flora.

The Napali Beach starviolet represents something bigger than just another garden plant – it’s a living piece of Hawaii’s natural history that desperately needs our protection. Sometimes the most beautiful thing we can do for a plant is ensure it survives in its natural habitat for future generations to discover and admire.

The Bottom Line

While most gardeners won’t have the opportunity to grow Napali Beach starviolet, learning about it connects us to the broader story of plant conservation. Every rare species that survives is a victory for biodiversity, and every person who understands the importance of native plants becomes part of the solution.

If you’re passionate about Hawaiian natives but want something more readily available for your garden, consider exploring other indigenous Hawaiian species that are less endangered but equally beautiful. Your local native plant society can point you toward conservation-friendly alternatives that will give you that authentic island garden feel while supporting ecosystem health.

Napali Beach Starviolet

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

Rubiales

Family

Rubiaceae Juss. - Madder family

Genus

Hedyotis L. - starviolet

Species

Hedyotis st.-johnii B.C. Stone & M.A. Lane - Napali Beach starviolet

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