Acer palmatum Osakazuki

Description:
Osakazuki Japanese Maple (Acer palmatum 'Osakazuki') is a highly regarded deciduous tree known for its vibrant autumn color and robust growth habit. This Japanese maple cultivar is especially prized for its large, deeply lobed leaves that transform into brilliant shades of crimson-red in autumn, one of the most intense displays among Japanese maples. Its elegant form and seasonal beauty make it an excellent focal point in gardens, shaded borders, and Japanese-inspired landscapes.

Flowers:
In spring, 'Osakazuki' produces small, reddish-purple flowers in clusters. While not a prominent feature, these delicate blooms add a subtle decorative touch before the leaves fully expand.

Foliage:
The tree has large, seven-lobed, bright green leaves throughout spring and summer, providing a lush, full canopy. As autumn approaches, the foliage turns an intense crimson-red, creating a spectacular seasonal display that is a hallmark of this cultivar.

Fruit:
After flowering, 'Osakazuki' produces small, winged samaras (helicopter seeds) in late summer to early autumn. The seeds add a subtle charm but are not a primary feature of the tree.

Form and Size:
Osakazuki has a rounded, upright growth habit, typically reaching a height of 4 to 6 meters with a spread of 3 to 4 meters. Its moderately compact form makes it suitable for small to medium-sized gardens and as a focal point in mixed borders.

Growing Conditions:
This Japanese maple thrives in partial shade to full sun, though some protection from harsh afternoon sun is recommended in warmer climates to prevent leaf scorch. Osakazuki prefers moist, well-draining, slightly acidic soil rich in organic matter. Regular watering, especially during dry periods, is essential to keep its foliage vibrant.

Uses:
Osakazuki is ideal as a feature tree in gardens, borders, or Japanese-inspired landscapes. Its bold autumn color makes it a valuable addition to any landscape, and its form complements woodland gardens, shaded areas, or as a focal point in large containers.

Maintenance:
This variety is relatively low-maintenance, needing only light pruning in late winter to maintain shape and remove any dead or crossing branches. Mulching around the base helps retain soil moisture and protect the roots, while an acid-loving fertilizer applied in spring supports healthy growth.

Notes:
Osakazuki is celebrated for its intense autumn color, one of the most vibrant among Japanese maples. Its strong growth and adaptability make it a favorite among gardeners who want to add a stunning seasonal display to their landscape.

Companion Plants:
Pairs well with other shade-tolerant plants such as Rhododendrons, Hostas, and Ferns. It also complements other Japanese maples and woodland perennials, creating a harmonious, layered aesthetic in garden beds.

Common Name: Osakazuki Japanese Maple
Botanical Name: Acer palmatum 'Osakazuki'
Family: Sapindaceae
Origin: Japan

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