HollandGreen Landscape Design created the 5 Star Award-winning garden for The Sanctuary for Blue Forest at Chelsea Flower Show in 2025.
The concept is simple yet purposeful: to create a peaceful retreat in the form of an elevated woodland sanctuary. Designed to support mental wellbeing, the garden features a considered planting scheme that creates a sense of seclusion and serenity through calm colours and soft textures.
Discover the planting scheme.
At the heart of the garden stands a striking treehouse, constructed from sustainably harvested timber. Elevated among the trees, it offers a sense of seclusion and serenity, setting the tone for the entire space. The planting, layout, and choice of materials have all been carefully considered to support a calm, immersive atmosphere.
Our design intention has been to evoke the feeling of a small, natural clearing in a late-spring woodland. With soft, dappled light and carefully layered planting, the garden flows with a gentle rhythm that encourages visitors to move slowly and mindfully through the space. It is a setting created for moments of quiet reflection, conversation, or simply pausing to take it all in.
The planting echoed a naturalistic woodland scheme. We focused on soft colours and subtle textures — greens, whites, and pale blues using a curated mix of perennials. We selected ferns and grasses for their ability to thrive in dappled shade and they lend a gentle, layered quality to the planting.
Standout species include Astrantia, Iris, Geranium, and Cenolophium, supported by Polystichum ferns and grasses such as Deschampsia cespitosa. We also incorporated climbing jasmine to introduce fragrance, adding another sensory layer to the experience.
Discover the planting scheme for The Sanctuary Garden.
Contemporary
Landscape Design
London
Delivered