How to Prune Japanese white pine?
Generally no pruning required. Remove competing leaders and, on older trees, crown lift as necessary by removing some of the lower branches to create a clear trunk

Japanese white pine · Pinus parviflora
Also known as: 日本五针松 (rì bĕn wŭ zhēn sōng)
Grow in any well drained soil in full sun. See Trees: buying and planting specimens
Generally no pruning required. Remove competing leaders and, on older trees, crown lift as necessary by removing some of the lower branches to create a clear trunk