M1
Material
Selected material possessing meaningful bonsai potential but requiring substantial structural development.
Strong nebari · trunk movement · mature bark · useful taperTree catalogue · 04 records
Trees
Development level is not a measure of quality. Each stage describes where a tree stands in a longer process of observation, structure and refinement.
D1
Development
A tree under active design in which the fundamental direction and primary structure have been established.
Selected front · planting angle · branch selection · root planR1
Refined
A developed bonsai with established structure, secondary development and a coherent presentation.
Resolved design · secondary branching · stable horticultureS1
Specimen
An exceptional bonsai distinguished by maturity, character, quality, provenance, rarity or artistic merit.
Intentionally scarce · documented provenance · exhibition potentialCurrent records
Available work and selected archive pieces.
