Tree Culture
Cherry Tree Japan Was Told Could Never Recover
Garyu-zakura (臥龍桜), the “reclining dragon cherry tree” of Hida Takayama, is an Edohigan cherry estimated at 1,100 years old and…
Japan Blue Arborist Journal
Sharing Japanese Arboriculture with the World.
A journal on tree diagnosis, garden design, urban greening, and planting management from Japan.
Field experienceKnowledge from practiceScientific tree diagnosisObservation before assumptionJapanese cultural contextRoots in place and historyPrimary information from JapanFirst-hand field notes
Concept
Trees are storytellers of Japan'sculture, landscapes, and future.
Japan Blue Arborist Journal is an international journal on Japanese arboriculture and tree culture.
Latest from the Journal
Notes from the field
Heritage Tree
The 1,200-Year-Old Ginkgo of Hida Kokubunji: Japan’s Golden Giant of Takayama
The great ginkgo of Hida Kokubunji is an estimated 1,200-year-old tree standing in the temple grounds in Takayama,…
Tree Culture
Daisugi: The 600-Year-Old Japanese Technique of Growing Trees on Trees
How Kyoto foresters grow straight cedar without felling a tree: the origins, mechanics, and modern lessons of daisugi…
Four pillars
Ways of looking at trees
01
Tree Diagnosis
Reading tree condition through field observation and diagnostic methods.
02
Tree Culture
Trees inside a living cultural, historical, and spiritual context.
03
Gardens
Garden design, planting, and long-term stewardship.
04
Urban Trees
Management of trees where cities, people, and ecology meet.
Author
Isaki Kasahara
A field-based arborist documenting Japanese trees, gardens, and the practical knowledge that supports their care.