North America Native Plant

Fuzzyflower Stenogyne

Botanical name: Stenogyne sessilis

USDA symbol: STSE5

Life cycle: perennial

Habit: vine

Native status: Native to Hawaii  

Synonyms: Stenogyne sessilis Benth. var. hexantha Sherff (STSEH)  âš˜  Stenogyne sessilis Benth. var. lanaiensis Sherff (STSEL)  âš˜  Stenogyne sessilis Benth. var. wilkesii Sherff (STSEW)   

Fuzzyflower Stenogyne: A Rare Hawaiian Treasure Worth Protecting Meet the fuzzyflower stenogyne (Stenogyne sessilis), a charming little Hawaiian native that’s as rare as it is beautiful. This unassuming perennial herb might not shout for attention like a flashy hibiscus, but it holds a special place in Hawaii’s delicate ecosystem—and potentially ...

Rare plant alert!

Region: Conservation status by state

Status: S3: Status is uncertain but is somewhere between the following rankings: Vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals ⚘

Fuzzyflower Stenogyne: A Rare Hawaiian Treasure Worth Protecting

Meet the fuzzyflower stenogyne (Stenogyne sessilis), a charming little Hawaiian native that’s as rare as it is beautiful. This unassuming perennial herb might not shout for attention like a flashy hibiscus, but it holds a special place in Hawaii’s delicate ecosystem—and potentially in your native garden too.

What Makes Fuzzyflower Stenogyne Special?

This delightful forb is a true Hawaiian original, found nowhere else on Earth except across the Hawaiian Islands. As a perennial herb, it lacks woody stems but makes up for it with its distinctive fuzzy flowers that give it its common name. The plant produces small, pale blooms that have a soft, almost velvety appearance—hence the fuzzy part of its moniker.

Fuzzyflower stenogyne grows naturally in Hawaii’s dry to mesic forests, where it thrives in the volcanic soils that make the islands so unique. It’s what botanists call a facultative upland plant, meaning it usually prefers non-wetland areas but can occasionally tolerate some moisture.

A Conservation Concern

Important note for gardeners: Fuzzyflower stenogyne is classified as vulnerable with a Global Conservation Status of S3. This means it’s at risk, with typically only 21 to 100 occurrences remaining in the wild. If you’re considering adding this plant to your garden, please ensure you source it responsibly from reputable native plant nurseries or conservation programs—never harvest from wild populations.

Why Consider Growing Fuzzyflower Stenogyne?

Despite its vulnerable status (or perhaps because of it), there are compelling reasons to include this native Hawaiian plant in your landscape:

  • Support conservation efforts by growing this rare species
  • Attract native Hawaiian pollinators and insects to your garden
  • Add authentic Hawaiian character to native plant landscapes
  • Contribute to preserving Hawaii’s unique botanical heritage
  • Create habitat for native wildlife species

Growing Conditions and Care

Fuzzyflower stenogyne isn’t the easiest plant to grow, but with the right conditions, it can thrive in cultivation. Here’s what this Hawaiian native needs:

Climate Requirements: This tropical plant requires USDA hardiness zones 10-12, making it suitable only for Hawaii, southern Florida, and similar warm climates year-round.

Soil and Drainage: Like many Hawaiian natives, fuzzyflower stenogyne demands excellent drainage. Volcanic soils or well-draining sandy loams work best. Heavy, clay soils are a no-go for this species.

Light Requirements: This adaptable herb can handle partial shade to full sun, though it typically grows in dappled light conditions in its native forest habitat.

Water Needs: Once established, fuzzyflower stenogyne is relatively drought-tolerant. Water regularly during establishment, then reduce frequency as the plant matures.

Best Garden Applications

Fuzzyflower stenogyne works beautifully in several garden settings:

  • Native Hawaiian restoration projects
  • Dry forest garden themes
  • Endemic plant collections
  • Ground cover in naturalized areas
  • Educational or conservation gardens

Planting and Care Tips

Successfully growing fuzzyflower stenogyne requires attention to detail:

  • Plant in well-draining soil that mimics its native volcanic habitat
  • Provide protection from strong winds, which can damage the delicate foliage
  • Water deeply but infrequently once established
  • Avoid overwatering, which can lead to root rot
  • Consider companion planting with other Hawaiian natives
  • Monitor for any signs of stress and adjust care accordingly

The Bottom Line

Fuzzyflower stenogyne isn’t for every gardener, but for those committed to native Hawaiian plants and conservation, it offers a unique opportunity to support a vulnerable species. Its subtle beauty and ecological value make it worth the extra effort required for successful cultivation.

Remember, growing rare native plants like fuzzyflower stenogyne is both a privilege and a responsibility. By choosing to cultivate this species, you’re joining a important conservation effort while adding a truly special piece of Hawaiian natural heritage to your landscape.

Just make sure you source your plants responsibly—the wild populations of this vulnerable species depend on conscientious gardeners like you making ethical choices.

Fuzzyflower Stenogyne

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

Lamiales

Family

Lamiaceae Martinov - Mint family

Genus

Stenogyne Benth. - stenogyne

Species

Stenogyne sessilis Benth. - fuzzyflower stenogyne

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