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North America Native Plant

Ha’a

Ha’a: A Treasured Native Hawaiian Tree for Tropical Gardens If you’re passionate about native plants and call Hawaii home, you’ve probably heard whispers about ha’a – a charming indigenous tree that’s been quietly gracing the Hawaiian landscape for centuries. This unassuming beauty, scientifically known as Antidesma platyphyllum var. platyphyllum, deserves ...

Rare plant alert!

This plant is listed as rare and may be protected in certain regions. Its populations are limited, and removal from the wild could further endanger its survival. If you wish to enjoy this plant, consider sourcing from reputable nurseries that propagate responsibly or explore alternatives to help preserve natural populations.

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. ⚘

Ha’a: A Treasured Native Hawaiian Tree for Tropical Gardens

If you’re passionate about native plants and call Hawaii home, you’ve probably heard whispers about ha’a – a charming indigenous tree that’s been quietly gracing the Hawaiian landscape for centuries. This unassuming beauty, scientifically known as Antidesma platyphyllum var. platyphyllum, deserves a spot in every native plant enthusiast’s garden.

What Makes Ha’a Special?

Ha’a is a true Hawaiian native – not just naturalized, but genuinely indigenous to the islands. This perennial tree typically grows as a single-trunked specimen, reaching heights of 13-16 feet or more under ideal conditions. While it might not be the showiest plant in your garden, its quiet elegance and ecological value make it a worthwhile addition to any native Hawaiian landscape.

Where You’ll Find Ha’a Growing Wild

This lovely tree is found exclusively in Hawaii, making it a true island endemic. You won’t spot ha’a growing naturally anywhere else in the world – it’s as Hawaiian as it gets!

A Word About Conservation

Here’s something important to know before you rush out to plant ha’a: this species has a Global Conservation Status of S3T3, which indicates it faces some conservation concerns. This doesn’t mean you shouldn’t grow it – quite the opposite! By including ha’a in your garden, you’re helping preserve this native species. However, it’s crucial to source your plants responsibly from reputable native plant nurseries that propagate from ethical sources, rather than collecting from wild populations.

Why Consider Ha’a for Your Garden?

Ha’a brings several benefits to your landscape:

  • Authentic native Hawaiian character that supports local ecosystems
  • Attracts native pollinators and insects
  • Provides canopy coverage in naturalistic settings
  • Low maintenance once established
  • Contributes to conservation efforts

Perfect Garden Settings for Ha’a

This native tree thrives in:

  • Native Hawaiian restoration gardens
  • Naturalistic landscape designs
  • Mixed native plant communities
  • Canopy layers in forest-style gardens

Ha’a works beautifully as part of a larger native plant community rather than as a standalone specimen, fitting naturally into the middle to upper canopy layer of your garden.

Growing Ha’a Successfully

If you’re lucky enough to live in USDA hardiness zones 10-12 (tropical climates), ha’a could be a great addition to your garden. This tree prefers:

  • Well-draining soils
  • Partial shade to full sun exposure
  • Regular watering during establishment
  • Tropical climate conditions year-round

Planting and Care Tips

Getting your ha’a off to a good start is fairly straightforward:

  • Plant during Hawaii’s wet season for best establishment
  • Water regularly for the first year while roots develop
  • Mulch around the base to retain moisture and suppress weeds
  • Once established, ha’a is relatively low-maintenance
  • Prune only as needed to maintain shape or remove damaged branches

The Bottom Line

Ha’a might not be the flashiest tree in the nursery, but it’s a genuine piece of Hawaiian natural heritage. If you’re gardening in tropical zones and want to support native ecosystems while adding authentic island character to your landscape, ha’a deserves serious consideration. Just remember to source your plants responsibly – this special tree is worth preserving for future generations to enjoy.

By choosing native plants like ha’a, you’re not just gardening; you’re participating in conservation and helping maintain the unique natural character that makes Hawaii so special.

Ha’a

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Euphorbiales

Family

Euphorbiaceae Juss. - Spurge family

Genus

Antidesma L. - chinalaurel

Species

Antidesma platyphyllum H. Mann - ha'a

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