Taisen Deshimaru is remembered in the Zen community above all as a foundational figure in the establishment of Sōtō Zen in Europe. Arriving in a cultural landscape where sustained residential Zen practice was almost unknown, he created a stable environment for both monastic and lay practitioners. Through the founding of the Association Zen Internationale and the creation of La Gendronnière as a major temple and training center, he gave European Zen a concrete institutional body and a spiritual home. These structures allowed Zen practice to take root not as a passing curiosity, but as a durable presence in European religious life.

His teaching legacy is equally significant. Deshimaru emphasized rigorous zazen and traditional discipline, yet expressed the heart of Zen in direct, pragmatic language that spoke to Western practitioners. He consistently placed seated meditation and everyday responsibility at the center of the path, favoring direct experience over abstract doctrine. In this way, he demonstrated that intensive practice could be integrated with ordinary life, making Zen accessible to lay people with jobs and families while still preserving core forms such as ceremonies, chanting, and ritual.

Another dimension of his legacy lies in the network of students and successors he trained. Deshimaru ordained and educated numerous European monks, nuns, and lay teachers, establishing ordination procedures and a living lineage that continues to guide dojos and sanghas across many countries. These disciples, drawing on his example, founded and maintained Zen centers that now function independently of continuous Japanese oversight, while remaining rooted in Sōtō forms. As a result, his dharma descendants constitute one of the principal currents of Sōtō-style Zen in Europe.

Finally, Deshimaru’s work can be seen as a cultural bridge that helped normalize meditation and Buddhist ethics within European society. By adapting traditional Japanese Zen forms to a new context without abandoning their essential rigor, he contributed to a distinctly European expression of Sōtō Zen. His talks and writings, preserved in various publications, continue to shape how Zen is understood and practiced, and his organizational model has influenced other Buddhist groups in the West. Through these intertwined strands—institutions, teachings, disciples, and cultural adaptation—his presence remains woven into the fabric of contemporary Zen practice in Europe.