Top Ornamental Tree Choices 

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Here are some top ornamental trees that thrive in Hawaii’s tropical climate:

  1. Plumeria: Known for its fragrant and colorful flowers, perfect for leis and easy to care for.
  2. Royal Poinciana: Offers fiery red and orange blooms with a wide canopy for shade.
  3. Monkeypod Tree: A large, low-maintenance tree with an umbrella-like canopy that provides excellent shade.
  4. Ohia Lehua: A native tree with vibrant red blooms, adapted to Hawaii’s climate.
  5. Jacaranda: Famous for its stunning purple flowers, ideal for adding vibrant color to any garden.

These trees are perfect for adding beauty and character to your Hawaiian garden.

Are you looking to transform your garden into a tropical paradise right in the heart of Honolulu? Whether you’re planning a complete landscape makeover or just want to add a touch of beauty to your yard, choosing the right ornamental tree is key. 

These trees do more than just provide shade—they bring life, color, and character to your outdoor space. In this guide, we’ll walk you through everything you need to know to select the perfect ornamental tree for your Hawaiian garden. Ready to get started?

Table of Contents

What Are Ornamental Trees?

Imagine strolling through a neighborhood in Honolulu where every yard is adorned with trees that boast vibrant flowers, unique shapes, and sometimes even colorful leaves. 

These stunning trees are what we call ornamental trees—chosen not just for their practicality but for the beauty they bring to a garden. These trees add a splash of color and personality, transforming your outdoor space into something truly special.

Decorative trees are chosen not just for their practical benefits, like providing shade or fruit, but mainly for their beauty. These trees are like the jewelry of your garden, adding color, texture, and personality to your outdoor space. 

Whether it’s the stunning blossoms in the spring, the way their leaves change color in the fall, or their interesting bark and branch structure, these trees make your yard look special all year round.

ornamental tree
Photo from iStock – Credit: Arkadij Schell

Importance of Choosing the Right Ornamental Tree

Selecting the right ornamental tree for your garden isn’t just about picking the prettiest one at the nursery. The tree you choose will have a lasting impact on your outdoor space, from how much shade it provides to how it complements your home’s overall look. 

The right tree can transform your garden into a serene retreat, attract birds and butterflies, and even increase your property’s value.

In Honolulu, where the climate is warm and tropical, it’s especially important to choose trees that can thrive in the local environment. A tree that’s perfect for a garden in a colder climate might struggle here, leading to more maintenance and less beauty. 

Moreover, considering factors like growth size and space requirements helps prevent future headaches—like having to prune a tree that’s grown too large or dealing with roots that are invading your home’s foundation.

Factors to Consider When Choosing Ornamental Trees

Climate Adaptation

First and foremost, the tree you choose must be well-suited to the climate of Honolulu. Hawaii’s tropical climate is characterized by warm temperatures, high humidity, and distinct wet and dry seasons. 

Some trees thrive in these conditions, while others might struggle. For example, native Hawaiian trees like the Kou or Ohia Lehua are naturally adapted to the local climate, making them excellent low-maintenance options. 

On the other hand, some non-native trees, though beautiful, may require extra care to withstand the Hawaiian weather.

Soil Requirements

Next, consider the type of soil in your garden. Different trees have different soil preferences—some might thrive in sandy, well-draining soil, while others prefer richer, more clay-like soils. 

Knowing your soil type and choosing a tree that matches it can make a big difference in how well your tree grows. If you’re unsure about your soil, it might be worth testing it or consulting with a local nursery.

Water Needs

Water is another crucial factor, especially in Hawaii where certain areas might experience drought conditions. Some ornamental trees require frequent watering to stay healthy and vibrant, while others are more drought-tolerant. 

Understanding your tree’s water needs can help you maintain a lush garden without overextending your water usage.

Growth Size and Space Requirements

The last thing you want is to plant a beautiful tree that eventually outgrows its space, overshadowing other plants or becoming a hassle to maintain. 

Consider how large the tree will grow, both in height and spread, and make sure you have enough space for it to thrive without crowding your garden. This is particularly important in urban areas like Honolulu, where space might be limited.

Maintenance and Care Considerations

Finally, think about how much time and effort you’re willing to invest in caring for your tree. Some ornamental trees are relatively low-maintenance, requiring just occasional pruning and watering. 

Others may demand more attention, especially if they’re prone to pests, diseases, or require regular fertilization. Choose a tree that aligns with the level of care you’re able to provide.

Native Hawaiian Ornamental Trees

Kou (Cordia subcordata)

The Kou tree is a beloved native Hawaiian species known for its broad, glossy leaves and striking orange flowers. This tree is not only beautiful but also highly functional, often used for shade due to its wide canopy. 

Kou trees are relatively low-maintenance and well-suited to Hawaii’s coastal areas, making them an excellent choice for gardens near the ocean.

Naupaka (Scaevola taccada)

Another native option, the Naupaka, is recognized for its unique half-flower appearance. This shrub-like tree is adaptable to a range of environments, from sandy beaches to rocky areas. 

Its white flowers are a common sight across Hawaii, and it also offers ecological benefits, such as stabilizing coastal areas.

Ohia Lehua (Metrosideros polymorpha)

The Ohia Lehua is a symbol of resilience in Hawaii, often one of the first plants to grow on new lava flows. This tree produces vibrant red flowers, although yellow and orange varieties also exist. 

Ohia Lehua is deeply rooted in Hawaiian culture and mythology, making it a meaningful addition to any garden.

Non-Native Ornamental Trees

Plumeria (Plumeria spp.)

Plumeria, with its fragrant and colorful flowers, is a favorite non-native ornamental tree in Hawaii. 

Its flowers, ranging from white to pink, yellow, and red, are often used in traditional Hawaiian leis. Plumeria trees are relatively easy to care for and can be pruned to fit smaller garden spaces.

Royal Poinciana (Delonix regia)

The Royal Poinciana is known for its dazzling display of fiery red and orange flowers that bloom in the summer. 

This tree provides excellent shade with its broad canopy and is a showstopper in any garden. While not native, it has adapted well to Hawaii’s climate, though it does require a sunny spot to thrive.

Jacaranda (Jacaranda mimosifolia)

If you’re looking for a tree with stunning purple blooms, the Jacaranda is an excellent choice. This non-native tree creates a striking visual impact when in full bloom, with its flowers covering the tree and carpeting the ground below. 

Jacaranda trees prefer full sun and well-drained soil, making them a good fit for many Hawaiian gardens.

Best Ornamental Trees for Shade

Monkeypod Tree (Albizia saman)

The Monkeypod tree is a favorite in Hawaii for its massive, umbrella-like canopy. This tree can reach impressive sizes, making it ideal for providing shade over large areas. 

Its delicate, fern-like leaves offer a dappled shade, which is perfect for both plants and people seeking a cooler spot on a sunny day. Though it requires space to spread, the Monkeypod tree is a low-maintenance choice that thrives in Hawaii’s climate.

Rainbow Shower Tree (Cassia x nealiae)

The Rainbow Shower tree is not only a fantastic source of shade but also adds a splash of color to your garden. This hybrid tree is known for its cascading clusters of pink, yellow, and white flowers that bloom throughout the summer. 

The Rainbow Shower tree is relatively fast-growing and can quickly provide the shade you need while also enhancing the visual appeal of your outdoor space.

Banyan Tree (Ficus benghalensis)

If you’re looking for a tree that offers both extensive shade and a sense of wonder, the Banyan tree is an exceptional choice. 

Known for its expansive canopy and aerial roots that create a majestic, multi-trunked appearance, the Banyan can cover a significant area, making it perfect for large gardens. 

This tree requires regular maintenance to manage its growth and ensure it doesn’t overtake your garden, but its unique presence is well worth the effort.

Ornamental Trees for Colorful Blossoms

African Tulip Tree (Spathodea campanulata)

The African Tulip tree is a stunning option known for its large, fiery orange-red flowers that resemble tulips. These blossoms make a bold statement in any garden, especially when the tree is in full bloom. 

In addition to its beauty, the African Tulip tree grows quickly and provides some shade, making it both functional and decorative. However, it’s important to note that this tree can grow quite large, so it’s best suited for more spacious areas.

Hibiscus (Hibiscus rosa-sinensis)

A quintessential part of Hawaii’s flora, the Hibiscus is cherished for its large, showy flowers that come in a variety of colors, including red, pink, yellow, and white. 

This tree (or large shrub) is relatively easy to care for and can fit into smaller spaces, making it a versatile choice for many gardens. 

Hibiscus flowers are not only beautiful but also attract hummingbirds and butterflies, adding to the vibrancy of your outdoor space.

Golden Shower Tree (Cassia fistula)

The Golden Shower tree lives up to its name with its cascading clusters of bright yellow flowers that resemble a shower of gold. This tree is particularly striking when in full bloom and is sure to be a conversation piece in any garden. 

Golden Shower trees are well-suited to Hawaii’s climate and can tolerate a range of soil conditions, making them relatively easy to maintain. 

Their blooms typically appear in the late spring to summer, adding a burst of color when many other plants might be resting.

Low-Maintenance Ornamental Trees

Coconut Palm (Cocos nucifera)

The Coconut Palm is a classic tropical tree that embodies the laid-back Hawaiian lifestyle. Known for its tall, slender trunk and iconic, arching fronds, the Coconut Palm requires little more than sunlight and occasional watering to thrive. 

This tree also provides the added benefit of coconuts, which can be used in cooking or simply enjoyed as a refreshing treat. Its low-maintenance nature makes it a perfect choice for those who want a tree that practically takes care of itself.

Areca Palm (Dypsis lutescens)

The Areca Palm, often referred to as the butterfly palm due to the shape of its fronds, is another low-maintenance favorite. It grows well in both full sun and partial shade and doesn’t require much water, making it a resilient choice for gardens in Honolulu. 

The Areca Palm is also relatively pest-resistant, further reducing the amount of care needed to keep it looking its best. With its elegant, feathery fronds, this palm adds a touch of tropical elegance to any garden.

Dwarf Date Palm (Phoenix roebelenii)

For those with limited space or who prefer smaller trees, the Dwarf Date Palm is an excellent option. This compact palm tree reaches about 6 to 10 feet in height, making it perfect for patios, small gardens, or as an accent in larger landscapes. 

The Dwarf Date Palm is easy to care for, needing only moderate watering and occasional pruning to remove old fronds. Its graceful appearance and manageable size make it a favorite among those looking for a hassle-free addition to their garden.

Ornamental Trees for Smaller Spaces

Dwarf Umbrella Tree (Schefflera arboricola)

The Dwarf Umbrella Tree is a versatile and attractive option for smaller gardens. This tree features glossy, green leaves that fan out like an umbrella, creating a lush, full look without taking up too much space. 

The Dwarf Umbrella Tree is relatively easy to care for, thriving in both sun and partial shade. It’s also well-suited to container planting, making it a great choice for patios or balconies where ground space is limited.

Dwarf Bottlebrush (Callistemon citrinus ‘Little John’)

Known for its striking, brush-like red flowers, the Dwarf Bottlebrush adds a splash of color to any small garden. This compact tree typically grows to about 3 to 5 feet tall, making it perfect for tight spaces. 

The Dwarf Bottlebrush is drought-tolerant and thrives in sunny conditions, making it a low-maintenance yet visually impactful addition to your garden. Its flowers attract hummingbirds, adding a dynamic element to your outdoor space.

Hawaiian Hibiscus (Hibiscus arnottianus)

The Hawaiian Hibiscus is a smaller, native variety that brings the beauty of Hawaii’s iconic flower to compact spaces. This tree, or large shrub, produces stunning white or pink blossoms with a red center, making it a standout feature in any garden. 

The Hawaiian Hibiscus grows well in a variety of soil types and requires only moderate care, making it a practical and beautiful option for smaller yards or as a focal point in larger garden beds.

How to Care for Ornamental Trees in Hawaii

Proper Watering Techniques for Hawaii’s Ornamental Trees

Watering is crucial for the health of your trees, especially in Hawaii’s warm climate. While tropical trees often tolerate heat well, they still require adequate hydration, particularly during the dry season. 

It’s important to water deeply and infrequently rather than giving your trees light, frequent watering. Deep watering encourages roots to grow deeper into the soil, making the tree more drought-resistant. In general, early morning or late evening is the best time to water, as it reduces evaporation and allows the tree to absorb water more effectively.

Fertilization Tips for Optimal Growth

To keep your trees vibrant and growing strong, regular fertilization is key. Hawaii’s soil can vary greatly depending on location, so it’s important to choose a fertilizer that complements the specific needs of your trees. 

For most ornamental trees, a balanced, slow-release fertilizer applied once or twice a year is sufficient. Fertilizing in the early spring before new growth begins can help your trees flourish throughout the growing season. Be sure to follow the manufacturer’s instructions to avoid over-fertilizing, which can harm the tree.

Pruning and Maintenance for Healthy Trees

Pruning is essential for maintaining the shape and health of your trees. Regularly removing dead or damaged branches not only improves the tree’s appearance but also promotes better airflow and sunlight penetration, which are crucial for preventing disease. 

For flowering trees, timing is everything—prune just after the blooming season to avoid cutting off next year’s flowers.

Transform Your Garden with Mana Home Services

Ready to bring your garden to life with the perfect ornamental trees? At Mana Home Services, we specialize in helping Honolulu homeowners create stunning outdoor spaces that reflect the beauty of Hawaii. 

Whether you need expert advice on tree health or professional care for your garden, we’re here to help. Contact us today to start making your dream garden a reality!

Ornamental Tree
Photo from iStock – Credit: grapestock

Ornamental Tree FAQs

How often should I water my ornamental trees in Honolulu?

It depends on the tree type and season, but generally, you should water deeply once or twice a week, especially during the dry season. Early morning or late evening watering is best to reduce evaporation.

Can I grow non-native trees in my Hawaiian garden?

Yes, many non-native ornamental trees thrive in Hawaii’s climate. However, it’s important to choose species that are well-suited to the local environment and won’t outcompete native plants.

What’s the best time of year to plant ornamental trees in Hawaii?

The best time to plant ornamental trees is during the wet season, typically from November to March. This allows the tree to establish its roots with the help of natural rainfall before the dry season begins.

How do I know if my tree needs fertilizing?

If your ornamental tree’s growth is slow, the leaves are pale, or it’s not flowering as expected, it might need fertilizing. A soil test can help determine specific nutrient deficiencies.

What should I do if my ornamental tree shows signs of disease?

If you notice signs of disease, such as unusual spots on leaves, wilting, or abnormal growths, it’s best to consult a local arborist or nursery for advice on treatment specific to your tree and local conditions.