Miyabe Maple (Acer Miyabei ‘Morton’ STATE STREET)

Plant: Table of Contents

Plant Scientist Blog: All About the Miyabe Maple (Acer miyabei ‘Morton’ STATE STREET)

What is a Miyabe Maple?

The Miyabe maple (Acer miyabei ‘Morton’ STATE STREET) is a stunning deciduous tree native to Japan. It is known for its elegant, spreading canopy, vibrant green foliage in the spring and summer, and striking golden-yellow colors in the autumn. This tree is a popular choice for homeowners, landscapers, and city planners alike due to its adaptability and low-maintenance requirements.

The Miyabe maple is recognized for its graceful form and exceptional cold hardiness, making it a fantastic addition to landscapes in temperate regions. It is a truly versatile and attractive tree that is well-suited to a wide range of uses and environments. In this comprehensive guide, we will explore the culture, uses, care requirements, and all aspects related to the Miyabe maple.

Key Takeaways – Miyabe Maple (Acer miyabei ‘Morton’ STATE STREET)

Before delving into the detailed aspects of the Miyabe maple, let’s briefly highlight some key takeaways about this remarkable tree.

  • Scientific Name: Acer miyabei ‘Morton’ STATE STREET
  • Common Names: Miyabe maple, State Street maple, Acer miyabei ‘Morton’
  • Type: Deciduous tree
  • Growth Habit: Spreading canopy with a moderate growth rate
  • Foliage: Bright green leaves turning to golden-yellow in the fall
  • Uses: Ornamental landscaping, city streetscapes, parks, gardens
  • Care: Low-maintenance, adaptable, moderate watering and sunlight requirements
  • Resilience: Cold hardy, disease-resistant, and tolerant of urban conditions

Now that we have an overview of the Miyabe maple, let’s dive deeper into its characteristics, culture, uses, and care guidelines.

Culture of Miyabe Maple

Understanding the cultural requirements of the Miyabe maple is fundamental to its successful growth and development. This encompasses considerations such as water, sunlight, soil, fertilizer, and pruning practices. By meeting these cultural needs, plant enthusiasts can ensure the optimal health and appearance of their Miyabe maple trees.


Proper watering is critical for the establishment and ongoing care of the Miyabe maple. While this species is adaptable to various soil conditions, it thrives in well-drained soils that retain moisture without becoming waterlogged. Newly planted Miyabe maples require regular watering to support root establishment, usually about 1-2 inches of water per week. Once established, the tree exhibits good drought tolerance, but supplemental watering during prolonged dry spells is beneficial, particularly in warmer climates.


The Miyabe maple performs best when exposed to full sunlight or partial shade. It is important to provide adequate sunlight for the tree’s overall health and vibrant foliage coloration. In hotter regions, some afternoon shade can be advantageous to prevent excessive stress on the tree during the peak of summer.


While the Miyabe maple is not particularly demanding in terms of fertilization, applying a balanced, slow-release fertilizer in the early spring can promote healthy growth and foliage development. Avoid over-fertilization, especially with high-nitrogen fertilizers, as this can lead to excessive vegetative growth and compromise the tree’s natural form.


This maple species is adaptable to a range of soil types, including loamy, sandy, or clay soils, as long as they are well-drained. Soil pH ideally ranges from slightly acidic to neutral, though the Miyabe maple can tolerate slightly alkaline conditions. Regular soil testing can help monitor the pH and nutrient levels, allowing for targeted amendments and adjustments as needed.


Pruning plays a key role in shaping the aesthetic appeal and structural integrity of the Miyabe maple. Regular maintenance pruning, typically undertaken during the dormant season, helps remove dead or damaged branches, improve the tree’s form, and promote air circulation within the canopy. It is essential to use proper pruning techniques to minimize the risk of disease and encourage healthy regrowth.

Now that we have covered the cultural aspects of the Miyabe maple, let’s explore its various uses and applications.

Uses of Miyabe Maple

The Miyabe maple holds great significance as an ornamental tree due to its distinctive characteristics and adaptability to diverse settings. Its versatile nature lends itself to several practical and aesthetic applications, ranging from landscape design to urban planting.


One of the primary uses of the Miyabe maple is in landscape design, where it serves as a focal point or an integral component of visually appealing compositions. Its graceful form, attractive foliage, and vibrant fall colors make it a desirable choice for creating picturesque settings in residential, commercial, or public landscapes.

Urban Planting

Thanks to its resilience and tolerance of urban conditions, the Miyabe maple is well-suited for planting along city streets, in urban parks, and other green spaces within metropolitan areas. It contributes to urban greening efforts, providing shade, aesthetic value, and environmental benefits to urban communities.

Parks and Gardens

In parks and gardens, the Miyabe maple adds natural beauty and seasonal interest, enhancing the overall ambiance and visual appeal of these public spaces. Its moderate size and attractive foliage make it an appealing choice for both large-scale and intimate garden settings.

With a comprehensive understanding of the uses and cultural requirements of the Miyabe maple, let’s delve into its care guidelines, encompassing aspects such as common diseases, pests, and propagation.

Care Guidelines for Miyabe Maple

Effective care practices are essential for promoting the overall health and longevity of the Miyabe maple. This section offers detailed insights into watering, fertilization, disease management, pest control, and propagation techniques specific to this remarkable species.


Proper watering is critical during the establishment phase of the Miyabe maple, typically occurring within the first 1-2 years after planting. Maintaining consistent soil moisture without overwatering is essential, particularly during dry spells. Mulching around the base of the tree helps retain moisture and reduce weed competition, contributing to the tree’s overall water management.


The Miyabe maple thrives in full sunlight to partial shade conditions. When selecting planting locations, provide ample access to sunlight while offering some protection from intense afternoon sun in hotter climates. Adapting to varying light conditions enables the Miyabe maple to flourish in a wide range of environments.


Applying a balanced, slow-release fertilizer in the spring provides essential nutrients for healthy growth and foliage coloration. It is advisable to conduct a soil test to determine specific nutrient requirements and adjust the fertilizer application accordingly. Avoid excessive fertilization, as it can lead to imbalanced growth and potential nutrient leaching.


The Miyabe maple is adaptable to various soil types, provided they are well-drained. Regularly monitoring soil conditions and pH levels allows for targeted soil amendments to maintain an optimal growing environment. Implementing organic matter and mulching can improve soil structure and moisture retention.


Pruning the Miyabe maple during the dormant season helps shape the tree’s form, remove dead or diseased branches, and promote healthy growth. Proper pruning techniques, such as making clean cuts and avoiding unnecessary damage to the bark, are essential for minimizing stress and potential disease entry points.


Propagation of the Miyabe maple can be achieved through several methods, including seed propagation and vegetative propagation techniques such as grafting or cutting. Each method has its unique requirements and success rates, offering plant enthusiasts the flexibility to propagate new trees for their landscapes or commercial endeavors.

By understanding these care guidelines, enthusiasts can cultivate and maintain healthy Miyabe maple trees in a wide range of environments, from private gardens to urban landscapes.

Now that we have explored the cultural aspects and care guidelines for the Miyabe maple, let’s take a closer look at the popularity, common diseases, and pests associated with this exquisite tree.

Popularity of Miyabe Maple

The Miyabe maple has earned widespread popularity among plant enthusiasts, landscapers, and urban planners due to its ornamental attributes and adaptability. Its appeal lies in its exceptional hardiness, attractive foliage, and versatile uses, leading to its increased adoption in various settings.

Landscaping Appeal

The Miyabe maple’s graceful form, vibrant foliage, and striking autumn colors make it a sought-after choice for landscape designers and homeowners seeking to enhance the visual appeal of their outdoor spaces. Whether used as a standalone specimen or integrated into mixed plantings, its aesthetic contributions are highly valued in landscaping projects.

Urban Resilience

In urban environments, the Miyabe maple’s tolerance of pollution, compacted soils, and diverse growing conditions has positioned it as a valuable tree for urban afforestation and urban greening initiatives. Its ability to thrive in urban settings while providing shade and aesthetic benefits has contributed to its increasing popularity in cityscapes.

Versatile Uses

The Miyabe maple’s adaptability to various soil types, climates, and light conditions broadens its applicability across a wide range of regions and environments. Its versatility allows it to be used in diverse settings, from traditional gardens to contemporary urban landscapes, adding natural beauty and seasonal interest.

Given the Miyabe maple’s rising popularity and widespread adoption, it is important to consider common diseases and pests that can affect the tree’s health and longevity.

Common Diseases of Miyabe Maple

While the Miyabe maple is generally resilient and resistant to many diseases, it is important to be aware of potential threats that can impact its vitality. Understanding common diseases and their symptoms enables proactive management and effective treatment when necessary.


Anthracnose is a fungal disease that can affect the leaves and twigs of the Miyabe maple, causing irregularly shaped spots and lesions. Proper sanitation, adequate air circulation, and fungicidal treatments can help manage anthracnose and prevent its spread.

Verticillium Wilt

Verticillium wilt, caused by pathogenic fungi, can lead to wilting, yellowing, and browning of the foliage, as well as dieback of branches in the Miyabe maple. Improving soil drainage, maintaining tree vigor, and employing resistant cultivars are effective strategies for managing this disease.

Tar Spot

Tar spot is characterized by raised black spots on the leaves of the Miyabe maple, primarily a cosmetic issue that does not significantly harm the tree’s overall health. Cultural practices such as raking and disposing of affected leaves can help reduce the spread of this fungal disease.

Powdery Mildew

Powdery mildew, a common fungal disease, can manifest as a white, powdery coating on the leaves of the Miyabe maple, affecting their appearance. Implementing good air circulation and managing humidity can help minimize powdery mildew infections.

Leaf Scorch

Leaf scorch may occur in the Miyabe maple during periods of hot, dry weather or due to excessive exposure to sunlight. Adequate watering, mulching, and providing some shade during intense sunlight can mitigate the risk of leaf scorch and maintain the tree’s vigor.

Understanding these common diseases and their management strategies equips plant enthusiasts and arborists with the knowledge to support the health and resilience of Miyabe maple trees.

In addition to diseases, pests can pose potential challenges to the Miyabe maple’s well-being. Let’s explore common pests and their management in the next section.

Common Pests Affecting Miyabe Maple

Pests can pose various threats to the health and appearance of the Miyabe maple, necessitating vigilant monitoring and active management to prevent infestations and minimize damage.

Japanese Beetle

Japanese beetles are voracious pests that can defoliate the foliage of the Miyabe maple, leading to aesthetic damage and reduced vigor. Employing pheromone traps, insecticidal treatments, and cultural practices can help manage Japanese beetle populations and protect the tree.


Aphids are sap-feeding insects that can infest the Miyabe maple, causing distortion of leaves and the secretion of sticky honeydew. Natural predators, insecticidal soaps, and horticultural oils are effective means of controlling aphid populations and minimizing their impact.

Scale Insects

Scale insects can infest the stems and foliage of the Miyabe maple, leading to yellowing of leaves and overall decline in tree health. Pruning affected branches, promoting beneficial predators, and applying horticultural oils can help manage scale insect infestations and protect the tree.


Caterpillars can feed on the foliage and shoots of the Miyabe maple, causing leaf defoliation and aesthetic damage. Manual removal of caterpillars, biological controls, and targeted insecticidal treatments can effectively manage caterpillar populations and mitigate their impact on the tree.

Spider Mites

Spider mites are common pests that can infest the Miyabe maple, leading to stippled and discolored leaves. Regular monitoring, horticultural oils, and predatory mites are valuable tools for controlling spider mite infestations and preserving the tree’s health.

By recognizing these common pests and employing appropriate management strategies, plant enthusiasts can safeguard the Miyabe maple from potential infestations and maintain its aesthetic appeal and vitality.

As a plant scientist, I find it important to share practical tips and fun facts related to the Miyabe maple to enhance your understanding and appreciation of this remarkable tree.

Botanist’s Tips for Miyabe Maple Care

1. Regular Inspection: Periodically inspect the Miyabe maple for signs of diseases, pests, or stress, enabling early intervention and effective management.

2. Mulching: Apply a layer of organic mulch around the base of the tree to conserve soil moisture, suppress weeds, and improve soil structure.

3. Air Circulation: Promote good air circulation within the canopy through selective pruning, minimizing the risk of fungal diseases and optimizing foliage health.

4. Soil Testing: Conduct regular soil tests to assess pH levels and nutrient content, guiding targeted amendments and ensuring optimal growing conditions for the tree.

5. Integrated Pest Management: Implement an integrated approach to pest management, incorporating cultural, biological, and chemical control methods as needed.

6. Seasonal Maintenance: Schedule seasonal maintenance tasks such as pruning, fertilization, and watering adjustments to support the Miyabe maple’s overall well-being.

By incorporating these botanist’s tips into your care practices, you can maximize the health, beauty, and resilience of the Miyabe maple in your landscape.

Fun Facts About Miyabe Maple

  • The Miyabe maple is named after Japanese botanist Jinzō Matsumura, who botanically described this species.
  • Its cultivar name “Morton” honors the Morton Arboretum in Lisle, Illinois, known for its extensive plant collections and conservation efforts.
  • In Japan, the Miyabe maple is traditionally revered for its graceful form and the vibrant colors of its autumn foliage, symbolizing natural beauty and seasonal transitions.
  • The State Street cultivar is recognized for its resilient and adaptable nature, making it a preferred choice for urban environments and contemporary landscapes.

Links to External Resources

To further expand your knowledge and exploration of the Miyabe maple, I have compiled a list of useful external resources that offer additional insights and information about this remarkable tree:

  1. The Morton Arboretum – Miyabe Maple
  2. University of Florida IFAS Extension – Acer miyabei ‘Morton’
  3. Missouri Botanical Garden – Acer miyabei ‘Morton’
  4. The Tree Center – Miyabe Maples
  5. Royal Horticultural Society – Acer miyabei ‘Morton’

These resources offer valuable insights, cultivation tips, and in-depth descriptions of the Miyabe maple, enriching your understanding of this captivating tree.

In conclusion, the Miyabe maple (Acer miyabei ‘Morton’ STATE STREET) stands as an emblem of natural beauty, resilience, and versatile uses in various landscapes. Its captivating form, vibrant foliage, and adaptability contribute to its increasing popularity among plant enthusiasts and landscape professionals. By understanding its cultural requirements, care guidelines, common diseases, and pests, we can foster the health and vitality of the Miyabe maple while appreciating its aesthetic contributions to our surroundings.

I hope this comprehensive guide has provided you with valuable insights, practical tips, and a deeper appreciation for the Miyabe maple’s unique attributes and cultural significance.

The blog post provides a comprehensive exploration of the Miyabe maple, covering its cultural requirements, uses, care guidelines, common diseases, pests, practical tips, and fun facts. Additionally, it includes links to external resources for further exploration by the reader. The content is designed to be informative, engaging, and valuable for plant enthusiasts, landscapers, and individuals interested in the Miyabe maple.

Picture of Peter Taylors

Peter Taylors

Expert botanist who loves plants. His expertise spans taxonomy, plant ecology, and ethnobotany. An advocate for plant conservation, he mentors and educates future botanists, leaving a lasting impact on the field.