Acer palmatum 'Osakazuki' - Japanese Maple - Evergreen Trees Direct

Acer palmatum 'Osakazuki' - Japanese Maple

Name: Acer palmatum 'Osakazuki' - Japanese Maple
Brand: Evergreen Trees Direct
SKU: ACEPALOSA200L
Price: 1300.00 AUD
Availability: InStock

$1,300.00

Tax included. Shipping calculated at checkout.

Size: 200L

200L 100L 40cm/45L

Current Stock Height Guides

40cm/45L: 1.7m - 2.3m Approx.
100L: Enquire within for height guide information.
200L: Enquire within for height guide information.

Trade Customers

We supply advanced trees to landscapers, developers, architects, and councils Australia-wide. Trade clients receive fast quotes, expert advice, and access to premium stock with reliable freight.

About Acer palmatum 'Osakazuki' - Japanese Maple

Acer palmatum 'Osakazuki' – Japanese Maple is a compact, deciduous ornamental tree with a broad, rounded canopy and standout autumn performance. Large green leaves turn a deep scarlet-red in autumn—regarded as some of the most vivid among Japanese Maples.

They look excellent in courtyards, Japanese-style gardens, or planted as a seasonal focal point in residential landscapes where colour contrast and form are important. Moderate growth rate and a well-structured habit make it a strong choice for smaller spaces, feature planting, or bonsai use.

Consistent seasonal colour, refined shape, and versatility across ornamental settings make this a reliable option for gardens requiring bold visual impact.

Key Information to Know

Evergreen / Deciduous

Acer palmatum 'Osakazuki' - Japanese Maple is an Deciduous (Defoliates throughout colder months) Tree

Mature Height & Width

Mature Height: 4 m – 5 m

Mature Width: 4 m – 5 m

Acer palmatum 'Osakazuki' - Japanese Maple is expected to grow 30 – 45 cm per year (slow to moderate).

Frost Tolerance

Is Acer palmatum 'Osakazuki' - Japanese Maple frost tolerant?

Acer palmatum 'Osakazuki' - Japanese Maple is Frost Hardy – Survives heavy and frequent frost without damage.

Flowering Information

Acer palmatum ‘Osakazuki’ produces small clusters of red spring flowers that appear just before the new foliage emerges. Although subtle, these blooms offer an early seasonal highlight and provide pollen for beneficial insects.

Native Information

Is Acer palmatum 'Osakazuki' - Japanese Maple an Australian Native? No

Acer palmatum 'Osakazuki' - Japanese Maple is Native to Japan, Korea, and China, where Acer palmatum grows naturally in woodlands and mountain slopes.

Wildlife Value

Its fine branching structure provides sheltered roosting sites for small birds, while its spring flowers support native bees and other beneficial insects. The dense canopy also creates a cool, shaded understorey that contributes positively to garden biodiversity.

Sunlight Information

Acer palmatum 'Osakazuki' - Japanese Maple will thrive best in:

Full Sun
Part Shade

Preffered Soil

Acer palmatum ‘Osakazuki’ performs best in well-drained loam or sandy loam soils and prefers slightly acidic to neutral conditions. It may struggle in heavy clay or waterlogged environments unless improved with organic matter to enhance drainage and aeration. Keep soil evenly moist during establishment, then continue with deep, occasional watering as the tree matures, particularly during hot, dry periods to support its vibrant foliage.

Botanical Information

Common Name: Osakazuki Japanese Maple

Genus: Acer

Botanical Species: palmatum

Family: Sapindaceae

Botanical Name: Acer palmatum ‘Osakazuki’

Landscape Uses

Feature Tree
Plant in Pots (or) Suitable for Pots

Acer palmatum 'Osakazuki' - Japanese Maple works in an:

Japanese Inspired – serene balance of form, foliage, and flow.
Woodland Garden – layered, naturalistic design under dappled light.
Cottage Garden – romantic mix of flowers, colour, and texture.
Modern Garden – sleek, minimal, and design-led planting.
Low-maintenance Garden – resilient choices for easy care and year-round appeal.

Planting, Spacing & Care

How to Plant Acer palmatum 'Osakazuki'

Optimal Location: Choose an area with filtered sunlight, shielded from strong afternoon sun.
Soil Enrichment: Incorporate organic compost to the soil to enhance its structure and drainage.
Hole Digging: The hole should be approximately double the breadth of the tree's root ball.
Tree Positioning: Set the Japanese Maple in the hole, backfill with soil, and press down gently.
Initial Hydration: Post-planting, provide ample water to nurture root growth.

Hedging & Screening: Not suitable for hedging.

Feature Tree: Plant 2 m – 3 m apart to display its vivid red autumn foliage.

Avenue Planting Trees: Not commonly used.

Caring for Acer palmatum 'Osakazuki'

Watering: Maintain a consistent watering regimen to keep the soil uniformly moist, particularly during drier periods.
Pruning: Undertake light pruning in winter or early spring, targeting any dead or crisscrossing branches.
Mulching: Spread a layer of organic mulch around the base to conserve moisture and regulate soil temperature.
Pests/Diseases: Typically, the tree is pest-resistant, but sporadic checks for common maple pests like aphids can be beneficial.

Enhancing Soil for Optimal Growth and Color

Acer palmatum 'Osakazuki' is celebrated for its spectacular fall color, possibly the brightest among Japanese Maples. Here’s how to optimize soil conditions for this variety:

Ideal Drainage: Requires well-drained soil to avoid water stagnation, which could lead to root rot.

Well-Draining Soil: Perfect as it is, facilitating the best possible growth. Mulch with organic material to keep roots cool and moist.

Sandy Soil: Improve by mixing in well-decomposed compost and organic fertilizers to increase the soil’s ability to retain water and nutrients, ensuring consistent growth.

Clay Soil: Clay can be heavy and wet. Improve its condition by incorporating coarse sand and a good amount of organic compost, which will enhance drainage and support healthy root development.

Loamy Soil: Loamy soil is naturally well-suited to 'Osakazuki', offering good drainage and nutrient availability. Maintain soil health by applying a balanced, slow-release fertilizer in early spring.

Peaty Soil: While rich in organic material, ensure that peaty soil is not overly wet. Amend with coarse sand to improve drainage and consider using raised planting beds to prevent waterlogging.

Acer palmatum 'Osakazuki' - Japanese Maple is expected to grow 30 – 45 cm per year (slow to moderate).

Medium Growth Rate

Root Ball Dimensions (Width × Depth) For Planting

Use this as a reference when digging your planting hole. We recommend digging at least 10% wider than the dimensions below to encourage strong root development.

30cm Pot: 33cm (W) × 30cm (D)
40cm/45L Pot: 44cm (W) × 41.5cm (D)
50cm Pot / 70L Pot: 55cm (W) × 41.8cm (D)
100L Bag: 50.6cm (W) × 52.8cm (D)
150L Bag: 66cm (W) × 55cm (D)
200L Bag: 71.5cm (W) × 60.5cm (D)
300L Bag: 88cm (W) × 63.8cm (D)
400L Bag: 99cm (W) × 66cm (D)
500L Bag: 122cm (W) × 66cm (D)
750L Bag: 134cm (W) × 69cm (D)
1000L Bag: 146.3cm (W) × 71.5cm (D)
2000L Bag: 176cm (W) × 82.5cm (D)

Ideal Conditions

Subtropical QLD (Brisbane, Gold Coast, Sunshine Coast)
Northern NSW (Byron, Coffs, Armidale)
Sydney & Central Coast
South Coast NSW (Illawarra to Bega)
Inland NSW / Tablelands (Orange, Bathurst, Canberra)
Melbourne & Surrounds (Metro, Bayside, Geelong, Bellarine, Mornington)
Western District & Central VIC (Ballarat, Bendigo, Hamilton)
Gippsland (Latrobe Valley, East Gippsland)
Adelaide Metro & Coastal
Adelaide Hills & Barossa

Thrives in

Full Sun
Part Shade

Frost Tolerance

Frost Hardy – Survives heavy and frequent frost without damage.

Drought Tolerance

As a young tree it requires regular watering, but once established Acer palmatum ‘Osakazuki’ has low to moderate drought tolerance. It performs best with protection from hot, dry winds and benefits from deep, occasional watering during extended heat to maintain leaf quality and strong autumn colour.

Flowering Information

Does Acer palmatum 'Osakazuki' - Japanese Maple flower?

Yes - Flowers

Flowering Period:

Spring

Flower Type:

Pollinator-attracting

Flower Colour:

Red

Frequently Asked Questions

Frequently Asked Questions

How does 'Osakazuki' differentiate from other Japanese Maples? Its brilliant scarlet autumn coloration is remarkably distinct, making it stand out.
Is it suitable for container growth? Certainly, its moderate size and stunning display make it a prime candidate for container cultivation.
What's the optimal watering frequency? Aim for consistent soil moisture, increasing frequency during warmer or drier spells.