Acer palmatum 'Osakazuki' - Japanese Maple

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

Acer palmatum 'Osakazuki' is an iconic cultivar of the Japanese Maple distinguished by its unparalleled autumn coloration. As seasons transition, its large, seven-lobed green leaves metamorphose into brilliant scarlet shades, setting landscapes ablaze with color. Typically reaching heights between 4 to 6 meters, 'Osakazuki' features a rounded and spreading habit. Its striking autumnal display, combined with its moderate stature, ensures it remains a top choice for gardens, courtyards, and as a breathtaking potted specimen.

Common Name: Osakazuki Japanese Maple
Mature Height (meters): 4-6m
Mature Width (meters): 4-5m
Spacing: 3-4m for optimal growth
Foliage: Large, seven-lobed green leaves, transforming to vivid scarlet in autumn
Flowering period: Late spring; understated reddish flowers
Form/ Habit: Rounded, spreading form
Uses: Decorative feature in gardens, courtyards, containers, and bonsai artistry.
Evergreen/ Deciduous: Deciduous
Tolerates: A range of soil types, though prefers well-draining, slightly acidic soil
Drought Hardy: Moderate
Sun: Prefers partial shade but can tolerate full sun; protection from intense afternoon sun is advantageous
Maintenance: Low to moderate
Water requirement: Steady moisture is key; it's essential not to let the soil become overly dry.

Description

Acer palmatum 'Osakazuki' is an iconic cultivar of the Japanese Maple distinguished by its unparalleled autumn coloration. As seasons transition, its large, seven-lobed green leaves metamorphose into brilliant scarlet shades, setting landscapes ablaze with color. Typically reaching heights between 4 to 6 meters, 'Osakazuki' features a rounded and spreading habit. Its striking autumnal display, combined with its moderate stature, ensures it remains a top choice for gardens, courtyards, and as a breathtaking potted specimen.

Common Name: Osakazuki Japanese Maple
Mature Height (meters): 4-6m
Mature Width (meters): 4-5m
Spacing: 3-4m for optimal growth
Foliage: Large, seven-lobed green leaves, transforming to vivid scarlet in autumn
Flowering period: Late spring; understated reddish flowers
Form/ Habit: Rounded, spreading form
Uses: Decorative feature in gardens, courtyards, containers, and bonsai artistry.
Evergreen/ Deciduous: Deciduous
Tolerates: A range of soil types, though prefers well-draining, slightly acidic soil
Drought Hardy: Moderate
Sun: Prefers partial shade but can tolerate full sun; protection from intense afternoon sun is advantageous
Maintenance: Low to moderate
Water requirement: Steady moisture is key; it's essential not to let the soil become overly dry.

Additional Information You Should Know About Acer palmatum 'Osakazuki' - Japanese Maple

1

Height Guide For Acer palmatum 'Osakazuki' - Japanese Maple

2

Why Choose Acer palmatum 'Osakazuki' - Japanese Maple For Your Garden?

3

How To Grow Acer palmatum 'Osakazuki' - Japanese Maple In Different Soil Types

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.

4

Planting Your Acer palmatum 'Osakazuki' - Japanese Maple: Ensuring A Strong Start

How to Plant Acer palmatum 'Osakazuki'

  1. Optimal Location: Choose an area with filtered sunlight, shielded from strong afternoon sun.
  2. Soil Enrichment: Incorporate organic compost to the soil to enhance its structure and drainage.
  3. Hole Digging: The hole should be approximately double the breadth of the tree's root ball.
  4. Tree Positioning: Set the Japanese Maple in the hole, backfill with soil, and press down gently.
  5. Initial Hydration: Post-planting, provide ample water to nurture root growth.
5

Watering Requirements After Planting

When you plant a new tree, it's crucial to give it the right start by ensuring it receives sufficient water. Here’s a general guideline for watering your newly planted tree:

  • Immediately After Planting: Water your tree generously right after planting your Acer palmatum 'Osakazuki' - Japanese Maple to settle the soil around the roots and eliminate any air pockets.
  • First Three Months: The initial three months are critical for the establishment of the tree. During this period, the tree should be hand watered twice daily, in the morning and evening. This helps the roots grow deep and strong.
  • Irrigation System: If you have an irrigation system, adjust it to ensure the tree gets adequate water during these first months.
  • Adjusting to Weather Conditions: Always consider the weather conditions and adjust your watering accordingly. In hotter and drier periods, additional watering may be necessary.

Consistent attention to your tree’s watering needs during this initial period will help ensure its healthy growth and long-term success in your garden.

6

Root Ball Guide

Here is our guide for planting your trees with the appropriate root ball dimensions. When planting, we recommend digging a hole that is 10% larger than the size of your pot, and teasing the rootball before planting to promote better root growth.

Root Ball Dimensions:

  • 40cm Pot: 44 x 38.5 cm
  • 45L Bag: 41.8 x 41.8 cm
  • 50cm Squat Pot: 49.5 x 34.1 cm
  • 50cm Pot: 49.5 x 35.2 cm
  • 70L Pot: 55 x 41.8 cm
  • 75L Bag: 55 x 48.4 cm
  • 90L Pot: 59.4 x 44 cm
  • 100L Bag: 50.6 x 52.8 cm
  • 100L Squat Bag: 58.3 x 49.5 cm
  • 100L Pot: 66 x 49.5 cm
  • 150L Bag: 66 x 55 cm
  • 155L Pot: 74.8 x 52.8 cm
  • 200L Bag: 71.5 x 60.5 cm
  • 280L Pot: 91.3 x 55 cm
  • 300L Bag: 88 x 63.8 cm
  • 400L Bag: 99 x 66 cm
  • 500L Bag: 122 x 66 cm
  • 1000L Bag: 146.3 x 71.5 cm
  • 2000L Bag: 176 x 82.5 cm

Follow these dimensions to ensure a smooth planting process and optimal growth for your new tree.

7

Caring For Your Acer palmatum 'Osakazuki' - Japanese Maple

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.
8

Frequently Asked Questions About Acer palmatum 'Osakazuki' - Japanese Maple

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.

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