Coral Bark Japanese Maple TreesCoral Bark Japanese Maple Trees for Sale Online Coral Bark Japanese Maple is a beautiful small tree that has brilliant red coral bark on its young branches with color that intensifies in the winter. Acer Sango Kaku will be your favorite winter interest plant for sure. Coral Bark Japanese Maple is a beautiful specimen tree and its compact size is ideal for small yards. This hardy tree grows well in full sun, and tolerates the harsh summer heat.