Foliage/ˈfəʊliɪdʒ/ Definition 1 of 2Pro Tip 1/3Natural Imagery Foliage often appears in descriptions of nature to evoke vivid imagery. Walking through the forest, we admired the lush foliage above us. Pro Tip 2/3Seasonal Changes Foliage changes color and density with the seasons, a fact sometimes noted in writing. In autumn, the foliage turns to shades of orange and red. Pro Tip 3/3Habitat for Wildlife Foliage can indicate a natural habitat for animals in stories and discussions. Birds chirped hidden within the thick foliage.