Mireille Gagné (Isle-aux-Grues, 1982), an eminent writer in the current Quebecois literary landscape, publishes Bois de fer in 2022, a collection of poetic fragments narrated by a femaletree subject. Gagné defines tills work as an ecological and biting text that maintains hope until the end, aiming to generate new life and save it from extinction. In this article, we analyse how Gagné demonstrates a profound connection with the Earth to raise the reader's awareness of the systemic oppression exerted by humans towards other forms of life. Through a posthuman perspective, we explore how this earthly rootedness is based on a horizontal apprehension of existence that literature allows to enhance through an affectionate gaze and empathetic imagination towards the other. Similarly, from an ecocritical standpoint, we examine how the narrative poetic voice evokes the ecological ilhiess of the planet caused by the current capitalist system, leading to destruction, while alerting the reader to the gravity of the situation with the hope of being able to reverse it in time.