North America Native Plant

Jacobi’s Schiedea

Botanical name: Schiedea jacobii

USDA symbol: SCJA2

Life cycle: perennial

Habit: subshrub

Native status: Native to Hawaii  

Jacobi’s Schiedea: A Hawaiian Treasure on the Brink of Extinction If you’ve stumbled across the name Jacobi’s schiedea (Schiedea jacobii) while browsing native Hawaiian plants, you’ve discovered one of the rarest plants in the world. But before you start planning where to plant it in your garden, there’s something crucial ...

Rare plant alert!

Region: United States

Status: SH: Status is uncertain but is somewhere between the following rankings: Possibly Extinct: Known only from historical occurrences. Still some hope of rediscovery ⚘ Endangered: In danger of extinction throughout all or a significant portion of its range. ⚘

Region: United States

Jacobi’s Schiedea: A Hawaiian Treasure on the Brink of Extinction

If you’ve stumbled across the name Jacobi’s schiedea (Schiedea jacobii) while browsing native Hawaiian plants, you’ve discovered one of the rarest plants in the world. But before you start planning where to plant it in your garden, there’s something crucial you need to know about this extraordinary little shrub.

What Makes Jacobi’s Schiedea Special?

Jacobi’s schiedea is a perennial shrub that stays refreshingly compact, typically growing less than 1.5 feet tall and never exceeding 3 feet at maturity. This low-growing native Hawaiian plant once graced the islands with its modest presence, but today it represents one of botany’s most heartbreaking stories.

A Plant That Calls Hawaii Home

This endemic species is found exclusively in Hawaii, where it evolved in isolation over thousands of years. Schiedea jacobii is perfectly adapted to the unique conditions of the Hawaiian Islands, making it a true symbol of the archipelago’s incredible biodiversity.

The Reality Check: Why You Can’t (and Shouldn’t) Plant This

Here’s the sobering truth: Jacobi’s schiedea has a Global Conservation Status of SH, which means it’s Possibly Extirpated – known only from historical records with just a glimmer of hope for rediscovery. In the United States, it’s listed as Endangered.

What does this mean for gardeners? Simply put, this plant is not available for home cultivation, and even if it were, it would be irresponsible to attempt growing it without proper conservation protocols and permits.

Growing Conditions (If It Still Exists)

Based on its wetland status as Facultative Upland, Jacobi’s schiedea typically preferred non-wetland areas but could occasionally be found in wetland environments. Like most Hawaiian natives, it would require:

  • Tropical climate conditions (USDA zones 10-12)
  • Hawaiian-specific soil and environmental conditions
  • Careful attention to native ecosystem requirements

What Can You Do Instead?

While you can’t plant Jacobi’s schiedea in your garden, you can still make a difference:

  • Support Hawaiian native plant conservation organizations
  • Choose other native Hawaiian plants that are more stable and available through responsible sources
  • Learn about and advocate for endangered plant conservation
  • Visit botanical gardens that specialize in Hawaiian flora to see conservation efforts in action

The Bigger Picture

Jacobi’s schiedea serves as a powerful reminder of how quickly we can lose irreplaceable pieces of our natural heritage. While this little shrub may no longer grace Hawaiian landscapes, its story underscores the importance of protecting the native plants we still have.

If you’re passionate about Hawaiian native gardening, focus on species that are still thriving and available through responsible nurseries. Every native plant you grow helps preserve the unique character of Hawaiian ecosystems – and that’s a legacy worth cultivating.

Jacobi’s 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 jacobii W.L. Wagner, S.G. Weller & A.C. Medeiros - Jacobi's schiedea

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