Yoshino cherry trees are ornamental trees that are native to Japan. They're known for their gorgeous blossoms and are planted all over Washington D.C., where they've become an annual tourist attraction when they bloom each spring. They are hardy to USDA zone 5b through 8a and grow to about 35 to 45 feet high with a spread of 35 feet. Like other cherry trees, they need full sun and grow on a central leader. This means they have one lateral branch from which all other branches grow.
Prune all but the strongest lateral branch from the tree when the Yoshino cherry is young, 1 to 2 years old, to promote a strong central leader.
Cut off any dead, damaged or diseased foliage at the base of the Yoshino cherry tree as soon as it appears with the pruning shears or pruning saw, depending on the thickness of the branches.
Prune off any crossing branches or branches that rub against each other with the shears or saw, at the trunk of the tree.
Prune off any low growing branches that may impede movement around the tree with the shears or saw.