North America Native Plant

Kaholuamanu Schiedea

Botanical name: Schiedea helleri

USDA symbol: SCHE2

Life cycle: perennial

Habit: vine

Native status: Native to Hawaii  

Kaholuamanu Schiedea: A Critically Endangered Hawaiian Treasure If you’ve stumbled across the name Kaholuamanu schiedea (Schiedea helleri), you’ve discovered one of Hawaii’s most precious and precarious native plants. This isn’t your typical how to grow story – instead, it’s a tale of conservation, rarity, and why some plants are better ...

Rare plant alert!

Region: United States

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) ⚘ Endangered: In danger of extinction throughout all or a significant portion of its range. ⚘

Region: United States

Kaholuamanu Schiedea: A Critically Endangered Hawaiian Treasure

If you’ve stumbled across the name Kaholuamanu schiedea (Schiedea helleri), you’ve discovered one of Hawaii’s most precious and precarious native plants. This isn’t your typical how to grow story – instead, it’s a tale of conservation, rarity, and why some plants are better admired from afar than grown in our gardens.

What Makes This Plant So Special?

Kaholuamanu schiedea is a perennial forb herb, meaning it’s a soft-stemmed plant that lacks the woody tissue you’d find in shrubs or trees. Like other members of its family, it has perennating buds at or below ground level that help it survive year after year. This humble herb might not look like much to the untrained eye, but it represents millions of years of evolution unique to the Hawaiian Islands.

Where Does It Call Home?

This remarkable plant is endemic to Hawaii, meaning it exists nowhere else on Earth. It’s found only within the Hawaiian Islands, making it a true island treasure that evolved in isolation over countless generations.

The Reality Check: Why You Shouldn’t Plant This

Here’s where we need to have an honest conversation. Kaholuamanu schiedea carries a Global Conservation Status of S1, which translates to Critically Imperiled. In plain English? This plant is hanging on by a thread. It’s also listed as federally Endangered, with typically five or fewer occurrences and very few remaining individuals – we’re talking fewer than 1,000 plants left in the wild.

Because of this precarious status, Kaholuamanu schiedea is absolutely not suitable for home cultivation. Even if you could source it (which you shouldn’t), growing it would be:

  • Potentially illegal without proper permits
  • Ethically questionable given its endangered status
  • Likely to fail without specialized knowledge of its exact habitat requirements

What You Can Do Instead

While you can’t and shouldn’t grow Kaholuamanu schiedea, you can still support Hawaiian native plant conservation in meaningful ways:

  • Choose other Hawaiian native plants that are more stable for your garden
  • Support organizations working on Hawaiian plant conservation
  • Learn about and appreciate these rare species through educational programs
  • Practice responsible tourism if visiting Hawaii’s natural areas

The Bigger Picture

Plants like Kaholuamanu schiedea remind us that not every beautiful or interesting species belongs in our gardens. Sometimes, the most loving thing we can do for a plant is to protect its wild habitat and resist the urge to cultivate it ourselves. These critically endangered species need specialized conservation efforts, not well-meaning but potentially harmful home cultivation attempts.

If you’re passionate about Hawaiian native plants, focus on the more stable species that can be responsibly propagated and grown. Leave the endangered treasures like Kaholuamanu schiedea to the conservation professionals who have the expertise and legal authority to work with them.

After all, the goal isn’t just to grow plants – it’s to ensure they’ll still be around for future generations to marvel at, whether in carefully managed conservation sites or, hopefully one day, thriving again in their native Hawaiian landscapes.

Kaholuamanu Schiedea

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Caryophyllidae

Order

Caryophyllales

Family

Caryophyllaceae Juss. - Pink family

Genus

Schiedea Cham. & Schltdl. - schiedea

Species

Schiedea helleri Sherff - Kaholuamanu schiedea

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