Acer palmatum 'Atropurpureum', commonly known as the Japanese maple or red maple, is a stunning and popular deciduous tree prized for its elegant shape and vibrant foliage. This cultivar of Acer palmatum features deeply lobed, palmate leaves that emerge a rich burgundy or crimson red in spring, mature to a deep purple-red in summer, and then turn brilliant shades of scarlet and orange in autumn. Its graceful, spreading habit and delicate foliage make it a focal point in gardens, patios, and even as a bonsai specimen. It belongs to the Sapindaceae family (formerly Aceraceae).
Origin: Acer palmatum is native to Japan, Korea, and China. The 'Atropurpureum' cultivar is a popular selection known for its deep red foliage.
Light: Acer palmatum 'Atropurpureum' thrives in partial shade to full sun. It prefers a location with morning sun and afternoon shade, especially in hotter climates. Too much direct sunlight can scorch the leaves.
Water: Water regularly, especially during dry periods and the first year after planting. Japanese maples prefer consistently moist, well-drained soil. Avoid overwatering, which can lead to root rot.
Soil: Acer palmatum 'Atropurpureum' prefers slightly acidic, well-drained soil that is rich in organic matter.
Fertilising: Feed your Acer palmatum 'Atropurpureum' with a slow-release fertiliser for acid-loving plants in spring.
Pruning: Minimal pruning is generally required. You can prune lightly in winter to shape the tree or remove any dead or crossing branches.
Pests and Diseases: Keep an eye out for common pests such as aphids, scale, and Japanese beetles. Verticillium wilt can also be a problem.
Uses: Acer palmatum 'Atropurpureum' is primarily grown as an ornamental tree for its striking foliage and graceful form. It's a popular choice for Japanese gardens, woodland gardens, and as a specimen tree in smaller gardens.
Toxicity: Acer palmatum 'Atropurpureum' is not known to be toxic to humans or pets.