POCD - Partial Outer Canopy Defoliation is a technique performed when the leaves of a bonsai have flushed out with at least 6 to 8 leaves, that are hardened of, in early to mid May (northen hemisphere).
| Classification | Size | |
| Keishi (thumb size) | 2.5 cm | 1 inch |
| Shito (very small) | 7.5 cm | 3 inch |
| Mame (mini) | 7-20 cm | 6 inch |
| Shohin (small) | 20 cm | 8 inch |
| Kifu (medium) | +20-30 cm | +8-12 inch |
| Chuhin (medium large) | +30-45 cm | +1 foot |
| Ogata (large) | +45 cm | +18 inch |