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In the heart of Geneva, a summer garden with a rounded shape

ID card
  • Project name: Summer Garden

  • Location: Onex, Canton of Geneva

  • Type of project: Private garden

  • Project start date: March 2019

  • Delivery date: 2021

  • AMEX project area: 3950m2

  • SIA Phases: 31 - 53

  • Architect: Mazzu Architectes EPFL-SIA

  • Partner companies: Paysage Dos Santos Sàrl, Tech Jardin, Kettal, Plantideal, Innocenti nursery, Jacquet nursery

The mission

✔️ Supporting the renovation work of a villa.

✔️ Propose landscaping, furniture and lighting designs. 

✔️ Anticipate and integrate the possible expansion of the plot from the initial sketch.

The brief

This summer garden project is located in Onex, in the canton of Geneva. To complement the architectural renovation of a villa, we were commissioned by the client to propose new layouts to fully enjoy the outdoor spaces during the summer.

From the very beginning of the project, the idea of ​​expanding the garden onto the neighboring plot was considered and planned for. The initial design left room for a potential second phase where the historic garden could extend across the entire property. During construction, the purchase was finalized. The enclosed garden of the detached house was transformed into a generous plot, a verdant setting within a lush park.

From the renovation of a suburban garden to the creation of a green park

This two-pronged project begins with the renovation of the "historic" plot. In this area, our work focused primarily on incorporating planted areas, creating pathways, and restoring the natural stone terraces. The initial sketches also include a hammock area and lighting for the garden.

The integration of the adjacent 2900m2 plot completely transforms the garden's layout. A screen of evergreen shrubs surrounds part of the land, creating the feeling of a verdant cocoon. A few strategically placed openings provide views of the wider landscape and Mont Salève.

The lush garden places particular emphasis on plants, with rich palettes adapted to the exposure and desired atmosphere. For example, in the area we like to call "the Brocéliande forest," we combined trees with gnarled silhouettes with rocks, luxuriant ferns, and mosses to recreate the atmosphere of this magical place. We also considered the garden's beauty in winter. To achieve this, we used plants with decorative wood. A ribbon of greenery, shaped by color gradients ranging from deep green to vibrant red in winter, adorns the view from the villa's windows.

Japanese maple, Persian beech, Peking lilac… very beautiful specimens were able to be sourced from the largest and most prestigious European nurseries.

A garden with organic shapes in motion

The design approach for this project revolved around the idea of ​​a garden populated with oval shapes. Why this choice? To echo the existing oval-shaped trees on the site, particularly a majestic Arizona cypress. This predominance of organic, ovoid forms then guided the design of the landscaping. The guiding principle was to begin sketching elements within the original garden, then to continue and repeat them harmoniously across the expanded plot.

A closer look at: the pergola area

The pergola offers a relaxing and convivial space. The roof provides shade for an outdoor kitchen, a dining area, and a lounge area with armchairs and sofas. The interior is divided into two sections: a storage area for outdoor furniture and a dedicated space for parking and repairing bicycles. As cycling is a passion of the owner, we integrated a transparent window allowing a view of the bicycles displayed inside from the garden . Combining cedar wood and powder-coated sheet metal, the orange Kettal structure contrasts with the surrounding greenery and adds a touch of originality to the garden. The natural stone flooring, echoing the theme of organic shapes, was factory-prepared, numbered, and installed according to a precise layout. An integrated LED strip around the perimeter emphasizes the rounded shape and creates a floating effect at nightfall.

A bespoke garden where every element has its purpose

Plant selection, furniture, lighting, flooring… every element of this garden is custom-made. Each plant has been meticulously positioned by our team to guarantee a result that meets both our expectations and those of the client. Our teams in the on-site installation, from all the perennials to the exceptional mature trees. A personalized approach to create a truly unique garden. The finest example of this philosophy is the selection of a stone for the Brocéliande forest, its unusual silhouette evoking a tortoise, the totem animal of the property owner…

“A stone with a unique silhouette, a nice nod to the client's motto, 'slow and steady wins the race'.”