This historic greenhouse in the Paris region is one of a kind in France—and here’s why.

In Essonne, there stands an astonishing glass-and-steel greenhouse. Often mistaken for a 19th-century relic, this greenhouse, one of a kind in France, actually hides a far more surprising story.

Located in the heart of the parc du Donjon de Sainte-Geneviève-des-Bois, this elegant glass structure immediately evokes the grand greenhouses of the Second Empire. Yet behind its look of an old monument lies a far more recent architectural feat. And it is precisely this singularity that makes this greenhouse a unique place in France.

At first glance, it’s hard to believe the municipal greenhouse is barely forty years old. Its refined silhouette, its metal framework, and its wide glass surfaces evoke the grand horticultural feats that flourished in aristocratic parks and botanical gardens of the era. Yet the Donjon greenhouse was indeed built in 1979. Its architecture draws on a particularly original Canadian model, a feature that makes it unique on French soil. Behind its classic exterior lies a decidedly modern project.

Serre municipale Sainte-Geneviève des Bois — François GOGLINS

The construction of the greenhouse required no less than 16 tons of steel and 13 tons of glass, and its realization was entrusted to highly skilled artisans trained in the tradition of the Compagnons du Devoir. The greenhouse is located just a stone’s throw from the Donjon de Sainte-Geneviève-des-Bois, the last visible vestige of the old lordly castle—and it is no accident: its site corresponds to the former 18th‑century castle’s kitchen garden, which disappeared at the beginning of the 19th century.

So, what makes it so unique? It’s worth noting that most of France’s heritage greenhouses fall into two broad categories: either historic buildings dating from the 19th century, or contemporary structures with a decidedly modern design.

The greenhouse of Sainte-Geneviève-des-Bois escapes this classification. Built at the end of the 20th century, it deliberately adopts the aesthetic codes of great historic greenhouses while basing its design on a Canadian model that is new to France. This blend of foreign inspiration, modern techniques and a heritage-inspired appearance has no known counterpart in the country.

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This historic greenhouse in the Paris region is one of a kind in France—and here’s why.

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