North America Native Plant

‘ena’ena

Botanical name: Pseudognaphalium sandwicensium var. hawaiiense

USDA symbol: PSSAH2

Life cycle: perennial

Habit: forb

Native status: Native to Hawaii  

Synonyms: Gnaphalium hawaiiense O. Deg. & Sherff (GNHA)  âš˜  Gnaphalium sandwicensium Gaudich. var. hawaiiense (O.Deg. & Sherff) W.L. Wagner et al. (GNSAH2)  âš˜  Pseudognaphalium sandwicensium (Gaudich.) Anderb. ssp. hawaiiense (O. Deg. & Sherff) Kartesz, ined. (PSSAH)   

Growing ‘Ena’ena: Hawaii’s Silver-Leafed Native Beauty If you’re looking to add authentic Hawaiian character to your garden while supporting native biodiversity, ‘ena’ena might just be the perfect plant for you. This charming native Hawaiian perennial, scientifically known as Pseudognaphalium sandwicensium var. hawaiiense, offers a unique combination of silvery foliage and ...

Rare plant alert!

Region: Conservation status by state

Status: S3T3: 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 ⚘ Subspecies or variety is 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. ⚘

Growing ‘Ena’ena: Hawaii’s Silver-Leafed Native Beauty

If you’re looking to add authentic Hawaiian character to your garden while supporting native biodiversity, ‘ena’ena might just be the perfect plant for you. This charming native Hawaiian perennial, scientifically known as Pseudognaphalium sandwicensium var. hawaiiense, offers a unique combination of silvery foliage and delicate flowers that captures the essence of Hawaii’s natural landscape.

What Makes ‘Ena’ena Special

‘Ena’ena is a true Hawaiian native, found naturally only in the Hawaiian Islands. As a perennial forb, it’s an herbaceous plant that lacks woody tissue but returns year after year, making it a reliable addition to native gardens. The plant gets its common name from its distinctive appearance – the Hawaiian word ‘ena’ena refers to the reddish or glowing quality that can be seen in its fuzzy, silver-gray foliage when caught in the right light.

This plant is endemic to Hawaii, meaning it exists nowhere else in the world naturally. Its geographic distribution is limited to the Hawaiian Islands, making it a truly special addition to any garden lucky enough to host it.

A Word About Conservation

Before we dive into growing tips, it’s important to note that ‘ena’ena has a conservation status that requires our attention. With a Global Conservation Status of S3T3, this plant faces some conservation challenges. If you’re interested in growing ‘ena’ena, please ensure you source it responsibly from reputable native plant nurseries or conservation organizations that propagate plants ethically rather than collecting from wild populations.

Garden Appeal and Design Uses

‘Ena’ena brings a soft, silvery texture to the garden with its woolly leaves that seem to shimmer in Hawaii’s bright sunlight. The plant produces clusters of small, cream-colored to white flower heads that add delicate charm without being overwhelming. This low-growing perennial works beautifully as:

  • Ground cover in native Hawaiian gardens
  • Accent plant in rock gardens or xerophytic landscapes
  • Part of habitat restoration projects
  • Border plant in naturalistic garden designs

Growing Conditions and Care

One of the best things about ‘ena’ena is its relatively low-maintenance nature once established. This hardy native thrives in Hawaii’s USDA hardiness zones 10-12 and adapts well to various conditions:

  • Sunlight: Full sun to partial shade
  • Soil: Well-draining soils are essential
  • Water: Drought tolerant once established, requiring minimal supplemental watering
  • Maintenance: Occasional pruning to maintain shape and encourage fresh growth

Supporting Hawaiian Ecosystems

By choosing to grow ‘ena’ena, you’re not just adding beauty to your garden – you’re supporting Hawaii’s native ecosystem. This plant attracts native Hawaiian insects and provides habitat that supports the islands’ unique biodiversity. While specific wildlife benefits require further research, native Hawaiian plants like ‘ena’ena play crucial roles in maintaining the ecological balance that makes Hawaii’s environment so special.

Planting Tips for Success

When you’re ready to welcome ‘ena’ena into your garden, keep these tips in mind:

  • Plant in well-draining soil to prevent root rot
  • Choose a location with good air circulation
  • Water regularly during establishment, then reduce frequency
  • Allow the plant to self-seed naturally if you want it to spread
  • Pair with other native Hawaiian plants for an authentic landscape

Is ‘Ena’ena Right for Your Garden?

‘Ena’ena is an excellent choice for gardeners in Hawaii who want to create authentic native landscapes while supporting conservation efforts. Its low-maintenance nature, unique silvery appearance, and important ecological role make it a valuable addition to the right garden. However, due to its conservation status, it’s crucial to source plants responsibly and consider this an opportunity to support native plant conservation.

If you can’t find ‘ena’ena from ethical sources, consider asking local native plant societies or botanical gardens about conservation programs you might support or participate in. Sometimes the best way to help a rare native plant is to contribute to its conservation rather than trying to grow it in your own garden.

Whether you end up growing ‘ena’ena or supporting its conservation in other ways, you’ll be helping to preserve one of Hawaii’s unique botanical treasures for future generations to enjoy.

‘ena’ena

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

Asterales

Family

Asteraceae Bercht. & J. Presl - Aster family

Genus

Pseudognaphalium Kirp. - cudweed

Species

Pseudognaphalium sandwicensium (Gaudich.) Anderb. - 'ena'ena

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