This is definitely the simpler of the two options. At that point they’re ready for transplanting into their permanent location.įor a more in-depth breakdown of the process, you’ll find instructions in the propagation section of our guide to growing Japanese maples. This method is as simple as taking softwood cuttings with a sterilized blade, applying a rooting hormone to the ends of their defoliated lower halves, and rooting them in an appropriate growing medium.įrom there, you’ll harden them off outdoors in spring until they’re conditioned to survive outside. These methods will also give you results much more quickly than starting plants from seed.īut if you’d like to give it a try and you’re eager to see what type of results you get, you can learn all about growing Japanese maples from seed in our guide. I’m hesitant to recommend growing from seed because of any potential genetic variance that could leave you with a less-than-glorious tree that does not share the same qualities as the parent. It’s best to propagate this variety by rooting cuttings or via transplanting, which we’ll cover here. But there are other cultivars to choose from as well, which we’ll cover below in the Cultivars to Select section. In the United States, this cultivar has become a beloved variety. It was under this moniker that it received the Award of Garden Merit in 1993 from the UK’s Royal Horticultural Society – a prestigious award from a distinguished organization. Some time after, it was renamed ‘Sango-Kaku.’ Northern Ireland’s Daisy Hill Nurseries introduced the popular ‘Sankaki’ cultivar for commercial sale in the UK in the 1920s. As a whole, Japanese maples have been cultivated in Japan for centuries. palmatum, coral barks are best grown in USDA Hardiness Zones 5 to 8, and their heritage traces back to a region encompassing China, Japan, and Korea. This is uncommon for a deciduous tree, which makes a coral bark a fantastic ornamental addition to the garden in all seasons. Sometimes color fades in a gradient, eventually resulting in a brown to gray hue, while in other specimens the color remains just as prominent as trees age.Īdd to that the stunning foliage – light green in spring, changing to a darker shade of green in summer with shades of red, orange, and/or yellow appearing in fall – and you’ve got a plant with year-round visual interest. The color of the trunk and older branches varies, depending on the cultivar and particular specimen. These forms display the coral colors of the young branches prominently for all to see – it’s the ultimate ornamental alley-oop!ĭuring their first and second years of growth, the branches are a rich coral pink color, which stands out starkly in the dreary winter landscape. Avoid this common problem by placing this tree in a site with good air circulation.The growing habit of ‘Sango Kaku’ is upright and vase-shaped, for example, while other cultivars with this feature may have a broad or rounded habit. Highly susceptible to bacterial blight (Pseudomonas syringae pv. Highly suited to smaller yards due to its limited width at maturity. It prefers moist well drained soil but tolerates a range of soil types including sand and heavy clay. The intense coral bark color is reduced as the trunk and stems enlarge.ĭoes best in partial sun, and sheltered from drying winds. The leaves themselves are classified as simple, opposite, with 5-7 lobes, with serrated edges. As the young leaves expand they soon age to light green for the rest of spring and then take on autumn-like hues of red and orange beginning in early summer.
Leaves emerge in April and display a pleasing yellow-green with plum to red edging. Current season growth is abundant and can be twiggy. In Japan the name 'Sango Kaku' refers to "coral-painted".Ī vigorous upright cultivar that may attain a landscape size of 25’tall and 20’ wide. In areas west of the Cascade Mountains, this cultivar is one of the most widely grown of all of the upright, green-foliage Japanese maples. The bark on new twigs turns bright coral red (almost fluorescent) after the leaves fall. Description The Japanese maple cultivar ‘Sango Kaku’, often referred to as Coral bark maple, is generally one of the most prized of all of the upright palmate types for its winter interest.
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