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green ash tree

The green ash tree is a versatile and resilient choice for New Zealand gardeners seeking a stately shade tree with vibrant foliage and reliable performance. Native to North America but well-suited to local conditions, the green ash tree (Fraxinus pennsylvanica) stands out for its adaptability, making it an excellent addition to public spaces, parks, and private gardens alike. Its lush, compound leaves display a vivid green throughout spring and summer, creating a refreshing canopy, before transitioning to warm yellow tones in autumn. Whether you're looking to enhance your landscape with shade, wind protection, or seasonal colour, the green ash tree offers a combination of beauty and durability few other species can match.

fraxinus-griffithii-3

Fraxinus griffithii

Fraxinus griffithii (Evergreen Ash) is a fast growing evergreen tree valued for its glossy foliage and neat upright form. It is well suited to New Zealand conditions and is commonly used for shelter, screening, and feature planting. This hardy tree provides year round structure and is ideal for creating privacy or defining boundaries.

Suited to regions: Subtropical, Temperate
Plant type: Trees
Height: 7.00 m
Spread: 4.00 m
Flowering time: Summer
Tolerances: Extended dry periods, Hardy, Wind
Garden uses: Parks, Pool areas, Screening, Specimen
Garden styles: Backyard, City & Courtyard, Frontyard, Japanese, Modern
A lush Fraxinus cimmzam specimen tree.

Fraxinus pennsylvanica 'Cimmzam'

Fraxinus pennsylvanica 'Cimmzam', commonly known as Cimmzam Green Ash, is a hardy and fast growing deciduous tree valued for its symmetrical form and vibrant foliage. Native to North America, this cultivar is particularly noted for its strong central leader and resistance to harsh conditions.

Suited to regions: All regions
Plant type: Trees
Height: 10.00 m
Spread: 5.00 m
Tolerances: Hardy
Garden uses: Parks, Specimen
Garden styles: Alpine, Architectural, Backyard, City & Courtyard, Frontyard, Japanese, Modern
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Did you find what you are looking for?

You might be interested in exploring related Latin Names - Cupressus, Dacrydium, and Dodonaea, or related Categories - Conifer Trees, Evergreen Shrubs, and Deciduous Trees.

Search green ash tree

Why Choose the Green Ash Tree for Your Garden?

The green ash tree is prized for its rapid growth and tolerance of a wide range of environments — from wet riverbanks to dry urban soils. This adaptability makes it a favourite among councils, landscapers, and home gardeners across New Zealand. With its upright habit and strong root system, the green ash tree thrives where other shade trees might struggle, enduring wind, drought, and occasional flooding. Its dense crown not only provides ample shade but also serves as a habitat for local bird life, contributing to a healthy, biodiverse garden.

Planting and Care Tips

When planting a green ash tree, choose a site with good sun exposure and space for future growth. These trees can reach heights of up to 15–20 metres with time, so allow plenty of room around pathways, driveways, and structures. The green ash tree prefers deep, moist soil but will tolerate clay, sandy, or even very poor soils with little complaint.

Mulching around the base helps retain moisture and suppress weeds. Water young trees regularly during their first few years, especially in dry spells. Once established, green ash trees are fairly drought-hardy. Prune annually in winter to remove lower branches and shape the canopy — this encourages upward growth and helps maintain healthy structure.

Related Ash Tree Varieties

If you're interested in diversifying your garden, several ash tree varieties offer unique characteristics and are also well-suited to New Zealand conditions. For an enhanced ornamental appearance, explore the Fraxinus Green Glow, featuring glossy foliage and a neat form. The Fraxinus pennsylvanica 'Cimmzam' is a cultivar prized for even faster growth and exceptional autumn colour. For classic woodland appeal, consider the European Fraxinus excelsior, which is renowned for its tall stature and textured bark. If you prefer something that produces fragrant flowers in spring, the Fraxinus ornus is a delightful choice. For evergreen options, the Fraxinus griffithii (Evergreen Ash) offers year-round foliage and compact growth — perfect for smaller spaces.

Create a Lasting Landscape with the Green Ash Tree

With its combination of resilience, rapid growth, and stunning seasonal colours, the green ash tree is a top pick for gardeners seeking a low-maintenance yet impactful shade tree. Its versatility makes it suitable for a wide range of planting schemes, from spacious lawns to windbreaks and garden borders. Explore our range of ash tree varieties and discover the perfect match for your garden — every green ash tree brings value, longevity, and beauty to your landscape.


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