North America Native Plant

Pohe Hiwa

Botanical name: Viola kauaensis var. wahiawaensis

USDA symbol: VIKAW

Life cycle: perennial

Habit: forb

Native status: Native to Hawaii  

Pohe Hiwa: Hawaii’s Rare Native Violet That’s Better Left Wild Meet pohe hiwa (Viola kauaensis var. wahiawaensis), one of Hawaii’s most elusive native violets. While you might be tempted to add this unique Hawaiian beauty to your garden, this particular plant tells a story of rarity and conservation that’s worth ...

Rare plant alert!

Region: Conservation status by state

Status: S2T1: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is 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) ⚘ 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) ⚘

Pohe Hiwa: Hawaii’s Rare Native Violet That’s Better Left Wild

Meet pohe hiwa (Viola kauaensis var. wahiawaensis), one of Hawaii’s most elusive native violets. While you might be tempted to add this unique Hawaiian beauty to your garden, this particular plant tells a story of rarity and conservation that’s worth understanding before you reach for your gardening gloves.

What Makes Pohe Hiwa Special

Pohe hiwa is a native Hawaiian perennial forb – essentially a soft-stemmed herbaceous plant that lacks the woody structure of shrubs and trees. As a member of the violet family, it shares the characteristic charm of its more common relatives, but with the distinction of being uniquely adapted to Hawaii’s island ecosystems.

This variety is specifically associated with the Wahiawa area of Hawaii, as suggested by its botanical name. Like other violets, it likely produces small, delicate flowers, though detailed descriptions of its appearance are surprisingly scarce in horticultural literature.

Where Pohe Hiwa Calls Home

This native violet is found exclusively in Hawaii, making it a true island endemic. Its distribution appears to be quite limited, even within the Hawaiian Islands, which contributes to its conservation concerns.

The Rarity Reality Check

Here’s where things get serious: pohe hiwa carries a Global Conservation Status of S2T1, indicating it’s extremely rare and faces significant conservation challenges. This isn’t just another uncommon plant – it’s genuinely at risk.

For gardeners, this means pohe hiwa isn’t really a candidate for typical home cultivation. Even if you could somehow obtain seeds or plants, growing rare native species requires specialized knowledge, appropriate permits, and most importantly, responsibly sourced material from conservation programs.

Why You Shouldn’t Try Growing Pohe Hiwa

While it might seem disappointing, there are compelling reasons to admire this plant from afar:

  • Its extreme rarity means any wild collection would harm already vulnerable populations
  • Specific growing requirements are largely unknown, making successful cultivation challenging
  • Conservation efforts are better served by leaving wild populations undisturbed
  • No commercial sources exist for home gardeners

Beautiful Hawaiian Alternatives for Your Garden

Instead of pohe hiwa, consider these wonderful native Hawaiian plants that are more suitable for home cultivation:

  • Other Hawaiian native violets that are less rare and better documented
  • Native Hawaiian flowering plants like naupaka or hibiscus
  • Hawaiian native ferns and grasses
  • Consult local native plant societies for region-appropriate recommendations

Supporting Conservation Instead

The best way to help pohe hiwa is through conservation support rather than cultivation attempts. Consider:

  • Supporting Hawaiian native plant conservation organizations
  • Learning about and protecting native Hawaiian ecosystems
  • Choosing other native Hawaiian plants for your landscape
  • Spreading awareness about rare Hawaiian flora

The Bigger Picture

Pohe hiwa represents something larger than just one rare plant – it’s a reminder of Hawaii’s unique and fragile botanical heritage. Many Hawaiian native plants have been lost to habitat destruction, invasive species, and other pressures. The few remaining rarities like pohe hiwa deserve our protection and respect.

While you can’t grow this particular violet in your garden, you can still participate in Hawaiian native plant conservation by choosing other native species, supporting conservation efforts, and helping spread awareness about the importance of protecting Hawaii’s botanical treasures.

Sometimes the most loving thing we can do for a plant is simply let it be wild and rare, appreciating it as part of the incredible natural heritage that makes Hawaii so special.

Pohe Hiwa

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Violales

Family

Violaceae Batsch - Violet family

Genus

Viola L. - violet

Species

Viola kauaensis A. Gray - pohe hiwa

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