North America Native Plant

Hairy Schiedea

Botanical name: Schiedea pubescens

USDA symbol: SCPU5

Life cycle: perennial

Habit: vine

Native status: Native to Hawaii  

Hairy Schiedea: A Rare Hawaiian Treasure Worth Protecting Meet the hairy schiedea (Schiedea pubescens), a delicate Hawaiian native that’s as rare as it is special. This unassuming little perennial herb might not win any flashy flower contests, but it holds a precious place in Hawaii’s botanical heritage – and unfortunately, ...

Rare plant alert!

Region: United States

Status: S2: Status is uncertain but is somewhere between the following rankings: Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘ Endangered: In danger of extinction throughout all or a significant portion of its range. ⚘

Region: United States

Hairy Schiedea: A Rare Hawaiian Treasure Worth Protecting

Meet the hairy schiedea (Schiedea pubescens), a delicate Hawaiian native that’s as rare as it is special. This unassuming little perennial herb might not win any flashy flower contests, but it holds a precious place in Hawaii’s botanical heritage – and unfortunately, it’s fighting for survival.

What Makes Hairy Schiedea Special?

Don’t let the name fool you – this isn’t your typical fuzzy garden plant. The hairy schiedea is a forb herb, meaning it’s a soft-stemmed perennial without woody tissue. Think of it as nature’s way of creating something delicate yet resilient, perfectly adapted to Hawaii’s unique volcanic landscape.

As a native Hawaiian species, this plant has evolved over thousands of years to thrive in the islands’ specific conditions. It’s found exclusively in Hawaii, making it a true endemic treasure that exists nowhere else on Earth.

The Reality Check: This Plant is Endangered

Important: Before you get excited about adding this beauty to your garden, you need to know that hairy schiedea is critically endangered. With a Global Conservation Status of S2 (Imperiled) and federal Endangered Species protection, this plant is teetering on the edge of extinction with only 6-20 known populations remaining.

What does this mean for gardeners? If you’re interested in growing hairy schiedea, you absolutely must:

  • Only obtain plants or seeds from legitimate conservation programs
  • Never collect from wild populations
  • Work with botanical gardens or native plant societies
  • Consider this a conservation effort, not just gardening

Growing Conditions and Care

If you’re fortunate enough to participate in conservation efforts for this species, here’s what hairy schiedea needs to thrive:

Climate: This plant is adapted to tropical conditions (USDA zones 10-12) and specifically Hawaiian microclimates. It naturally grows in dry to moderately moist volcanic soils on slopes and in dry forests.

Soil: Well-draining volcanic soil is ideal, though it can adapt to other well-draining substrates. The key is avoiding waterlogged conditions while providing adequate moisture during growing season.

Light: Partial shade to full sun, depending on your specific microclimate and moisture availability.

Garden Role and Landscape Use

In the rare instances where hairy schiedea is cultivated, it serves several important roles:

  • Educational specimen in botanical gardens and conservation displays
  • Living piece of Hawaiian cultural and natural heritage
  • Research material for conservation biology studies
  • Inspiration for native Hawaiian landscape design

This isn’t a plant for casual gardening – it’s a conservation commitment that connects you to Hawaii’s irreplaceable natural heritage.

Supporting Conservation Without Growing It Yourself

Not everyone can or should grow endangered species, but you can still support hairy schiedea conservation:

  • Support Hawaiian native plant societies and botanical gardens
  • Choose other native Hawaiian plants for your landscape
  • Learn about and advocate for endangered species protection
  • Visit botanical gardens where conservation work is happening

The Bottom Line

Hairy schiedea represents both the incredible uniqueness of Hawaiian flora and the urgent need for plant conservation. While most gardeners won’t have the opportunity to grow this endangered species, learning about it reminds us why protecting native plants matters.

If you’re passionate about Hawaiian natives, consider starting with more common (but still wonderful) indigenous species that don’t carry the same conservation concerns. Every native plant we grow helps preserve Hawaii’s botanical legacy – and that’s something worth celebrating.

Hairy 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 pubescens Hillebr. - hairy schiedea

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