Journal

Arboriculture Knowledge from Japan

Field documentation, research, and insights on Japanese tree culture, tree diagnosis, garden design, urban greening, and landscape stewardship.

VTA vs. Jyumoku-i: Comparing Two Tree Diagnosis Systems — Western Science Meets Japanese Expertise

Japan Culture 2026.04.12

VTA vs. Jyumoku-i: Comparing Two Tree Diagnosis Systems — Western Science Meets Japanese Expertise

VTA vs. Jyumoku-i: Comparing Two Tree Diagnosis Systems — Western Science Meets Japanese Expertise Introduction How do you decide whether a tree… Read Article

Niwaki vs Topiary: What Western Gardens Get Wrong

Japan Culture 2026.04.10

Niwaki vs Topiary: What Western Gardens Get Wrong

“Cloud pruning.” “Pom-pom trees.” “Japanese-style topiary.” When I see these terms used to describe niwaki in Western garden media, I feel something… Read Article

Why Do Japan’s Ancient Trees Live for a Thousand Years?

Japan Culture 2026.04.09

Why Do Japan’s Ancient Trees Live for a Thousand Years?

Imagine standing before a tree that was already old when Rome still ruled the Western world. In Japan, this is not a… Read Article

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