North America Native Plant

‘ohi’a Lehua

Botanical name: Metrosideros polymorpha

USDA symbol: MEPO5

Life cycle: perennial

Habit: shrub

Native status: Native to Hawaii  

Meet the Magnificent ‘Ohi’a Lehua: Hawaii’s Most Beloved Native Tree If you’ve ever dreamed of bringing a piece of authentic Hawaiian paradise to your garden, look no further than the spectacular ‘ohi’a lehua. This isn’t just any ordinary flowering tree – it’s a living piece of Hawaiian culture and one ...

Meet the Magnificent ‘Ohi’a Lehua: Hawaii’s Most Beloved Native Tree

If you’ve ever dreamed of bringing a piece of authentic Hawaiian paradise to your garden, look no further than the spectacular ‘ohi’a lehua. This isn’t just any ordinary flowering tree – it’s a living piece of Hawaiian culture and one of the most important native plants in the islands. With its show-stopping red blooms and deep cultural significance, the ‘ohi’a lehua (Metrosideros polymorpha) deserves a spotlight in every tropical garden.

A True Hawaiian Native with Stories to Tell

The ‘ohi’a lehua is as Hawaiian as it gets – this beautiful tree is endemic to the Hawaiian Islands, meaning it naturally occurs nowhere else on Earth. You’ll find it growing wild across all the major Hawaiian islands, from sandy coastal areas all the way up to high mountain slopes. This remarkable adaptability has made it one of the most widespread and important native plants in Hawaii’s ecosystems.

In Hawaiian legend, the ‘ohi’a tree and its lehua blossoms represent eternal love, making this tree not just a garden beauty but a symbol of deep cultural meaning.

Why Your Garden Will Fall in Love with ‘Ohi’a Lehua

Let’s talk about those flowers – because wow! The ‘ohi’a lehua produces clusters of fluffy, bright red blooms that look like tiny fireworks bursting from the branches. These eye-catching flowers appear mainly in late spring and create such a spectacular display that you’ll understand why they’re featured in countless Hawaiian songs and stories.

But the beauty doesn’t stop at the blooms. This evergreen tree maintains its attractive green foliage year-round, providing consistent structure and color to your landscape. Depending on growing conditions, your ‘ohi’a lehua might stay compact as a large shrub or eventually mature into an impressive tree reaching up to 65 feet tall – though most garden specimens stay much smaller.

Perfect for the Right Garden Setting

The ‘ohi’a lehua shines brightest in:

  • Native Hawaiian plant gardens
  • Tropical and subtropical landscapes
  • Cultural or heritage gardens
  • Wildlife-friendly gardens (it’s a magnet for birds!)
  • Restoration projects in appropriate climates

This slow-growing beauty works wonderfully as a specimen tree, providing a stunning focal point that will become more magnificent with each passing year. Its moderate foliage density offers nice filtered shade without being too dense.

Growing Conditions: Keep It Happy Hawaiian-Style

Here’s where things get specific – the ‘ohi’a lehua has particular needs that reflect its Hawaiian heritage:

Climate Requirements: This tree is strictly for warm, frost-free climates (USDA zones 10-12). It needs at least 320 frost-free days per year and temperatures that don’t drop below 22°F.

Soil Preferences: Think volcanic! Your ‘ohi’a lehua loves acidic soils with a pH between 4.3 and 5.7. It adapts well to coarse or medium-textured soils but struggles in heavy clay. Good drainage is absolutely essential.

Water Needs: Despite being able to handle some drought once established, this tree has low drought tolerance overall and prefers consistent, moderate moisture. It can handle both wetland and upland conditions, making it quite versatile in the right climate.

Light Requirements: Full sun is best – this tree is shade intolerant and needs plenty of bright light to thrive and flower well.

Planting and Care Tips for Success

Getting Started: You can propagate ‘ohi’a lehua from seeds, cuttings, or purchase container-grown plants. Seeds are moderately easy to grow, though the tree’s slow growth rate means patience is key.

Planting: Choose a sunny spot with well-draining, acidic soil. Space trees 300-700 per acre if you’re doing larger plantings, or give your single specimen plenty of room to spread as it matures.

Ongoing Care:

  • Water regularly, especially during establishment – this tree doesn’t like to dry out completely
  • Mulch around the base to retain moisture and suppress weeds
  • Fertilize lightly with acid-loving plant fertilizer
  • Prune minimally – this tree has good natural form
  • Be patient – slow growth means your investment will pay off over many years

Wildlife and Pollinator Benefits

Plant an ‘ohi’a lehua and you’re not just adding beauty to your garden – you’re creating a wildlife haven. The nectar-rich flowers are incredibly important for birds, particularly Hawaiian honeycreepers and other native species. Even in mainland gardens, you’ll likely see increased bird activity around your blooming ‘ohi’a lehua.

Is ‘Ohi’a Lehua Right for Your Garden?

This magnificent tree is perfect for gardeners in warm, tropical climates who want to grow something truly special and culturally significant. However, it’s definitely not for everyone – the specific climate and soil requirements mean it’s only suitable for USDA zones 10-12.

If you live in the right climate zone and can provide acidic, well-draining soil with consistent moisture, the ‘ohi’a lehua will reward you with years of spectacular blooms and the satisfaction of growing one of Hawaii’s most treasured native plants. Just remember that slow growth means this is a long-term garden investment – but some of the best things in gardening are worth waiting for!

Whether you’re creating an authentic Hawaiian garden or simply want to add something extraordinary to your tropical landscape, the ‘ohi’a lehua brings unmatched beauty, cultural richness, and ecological value to any garden lucky enough to host it.

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" matching plants to their ideal growing conditions, so they'll thrive with less work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Hawaii

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

‘ohi’a Lehua

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

Myrtales

Family

Myrtaceae Juss. - Myrtle family

Genus

Metrosideros Banks ex Gaertn. - lehua

Species

Metrosideros polymorpha Gaudich. - 'ohi'a lehua

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