Greenary by CRA-Carlo Ratti Associati


CRA unveils the Greenary, a private residence built around a ten-meter-tall ficus tree, located at the center of the living space. The traditional Italian farmhouse was redesigned to showcase new approaches to blur the boundaries between the natural and artificial. A residence that revolves around a ten-meter-tall tree at the center of the house.

Multiple living quarters encircle the tree’s leafy branches, all the way up to its top. Located in the Northern Italian countryside, the house was commissioned by Francesco Mutti, CEO of Mutti, the European leading producer of tomato-related products. The project advances CRA’s research into new ways of fusing architecture, natural elements, and advanced technological solutions.

Built out of a traditional Italian farmhouse outside the city of Parma, the Greenary (a wordplay of “green-granary”) responds to the idea of biophilia, a scientific hypothesis proposed by noted biologist and Harvard professor E.O. Wilson, which suggests that human beings share an innate desire to live close to nature. This concept is foremost expressed in the 60-year-old ficus tree named Alma standing in the middle of the living space.

It belongs to a species called ficus australis that enjoys stable temperatures all year long and is thus well-suited for indoor living conditions. Its close relative ficus religiosa is venerated by Buddhists as the Bodhi tree, under which Siddhartha achieved enlightenment, while ficus microcarpa adorns the ancient parks across Southern China. To create the ideal setting for the tree to thrive, CRA has completely redesigned the old farmhouse to maximize natural light, installing a ten-meter-tall, south-facing glass wall.

The design harnesses technology and the micro-climate of the surrounding area to control the temperature and humidity, so that the tree and the home’s occupants can live together comfortably. Both the windows and the roof can be opened and closed automatically to adjust the amount of sunlight and fresh air entering the house. The Greenary consists of seven terraced spaces, with three among them above the entrance and three below it.

These dynamic, interconnected rooms reinterpret 20th-century architect Adolf Loos’ principle of the Raumplan – with nature at its core. Upon arrival, residents and visitors descend one meter to the main living area and the kitchen, which puts them at eye level with the idyllic meadow outside. The other levels of the house were conceived to form a naturally-inspired journey, throughout which the tree serves as a prominent pillar.

Nature is also incorporated in other forms throughout the interior space, such as in flooring that incorporates soil and orange peels. The house was built on a site that spans over 2.5 hectares. Apart from the main residential unit, CRA also converted a granary at the back of the house into a workspace. Surrounding both buildings, a garden cultivated by renowned landscape designer Paolo Pejrone celebrates the biodiversity of the local region.

The residence represents the first completed component in CRA’s master plan for the area. Other planned buildings include a factory facility and a canteen-restaurant complex. Throughout their many collaborations, CRA and Italo Rota have strived to accelerate the convergence between the natural and the artificial, using digital technology and innovative, organic materials. Source by CRA-Carlo Ratti Associati.

  • Location: Parma, Italy
  • Architect: CRA-Carlo Ratti Associati
  • Creative Lead: Italo Rota
  • CRA Team: Carlo Ratti, Andrea Cassi (partner in charge), Francesco Strocchio (project manager), Alberto Benetti, Mario Daudo, Serena Giardina, Anna Morani, Gerolamo Gnecchi Ruscone, Giovanni Trogu, Matteo Zerbi
  • Facade and MEP Engineering: AI Studio
  • Structural Engineering: AI Studio (with Luca Giacosa), Corrado Curti
  • Agronomy Consultants: Flavio Pollano and Paolo Battistel (Ceres srl)
  • Authority Approval, Accouting, Health & Safety Lead: Aldo Trombi
  • Planning and Works Supervisor: AU Studio
  • Landscape Design: Paolo Pejrone with Alberto Fusari
  • Construction: AeC costruzioni
  • Garden Cultivation: Arcadia Vivai Impianti
  • Year: 2021
  • Photographs: Delfino Sisto Legnani and Alessandro Saletta, Courtesy of CRA-Carlo Ratti Associati

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