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When it comes to ecology, working-class neighborhoods and their inhabitants are seen essentially as constrained by need, leaving no room for specific ecological commitments. This invisibilisation tends to be reinforced by urban rehabilitation policies, especially when urban devices such as shared gardens are used to control space and people’s behaviours. We present the main results of a participatory approach consisting in the development of “sensory mappings”, part of a participatory study conducted within the framework of an action-research programme on citizen experiments for ecological transition. We show how sensory experiences founded on everyday gardening activities generate attachments that trigger ecological commitments. Through portraits of these citizen gardeners, we shed light on the diversity of the connections between sensory ecologies and commitments.