The Secret Life of Plants by Stevie Wonder explores the intricate and often overlooked connection between humans and the natural world, particularly focusing on the life and experiences of plants. Drawing inspiration from the book with the same title by Peter Tompkins and Christopher Bird, the song delves into the idea that plants are not just passive entities but possess a form of consciousness and react to their environment. Key themes include the interconnectedness of all living things, the mysticism and science of plant life, and the broader environmental message of respecting and understanding nature. Poignant moments in the song highlight the nuanced and almost spiritual relationship humans can have with plants, urging listeners to consider the hidden lives of the flora around us.