|'Ukon' has large semi-double to double greenish-yellow flowers and new green foliage.
Rounded to horizontal, deciduous tree with beautiful, coppery-red, glossy, peeling bark. Dark green leaves are lance-shaped and tapered to 4 inches long, turning yellow in the fall. White flowers are bowl-shaped to 3/4 inch across, solitary or in groups of 2 to 4, borne as leaves emerge. Flowers are followed by ovoid cherry-like fruit, 1/2 inch long.
Favorite cultivars include 'Kwanzan' which has double, pink, rose-like blossoms, 'Amanogawa', a mid-season bloomer with semi-double, light pink flowers, 'Tai Haku', a white flowerer with the largest blooms of any fowering cherry.