Gardner is a surname that can refer to various individuals and families. It is commonly associated with the field of psychology through Howard Gardner, an American developmental psychologist known for his theory of multiple intelligences. This theory suggests that people have different kinds of intelligences, such as linguistic, logical-mathematical, and spatial, among others. In addition to its psychological significance, "gardener" refers to someone who cultivates and maintains gardens. This role involves planting, watering, and caring for plants, flowers, and vegetables. Gardening can be a hobby or a profession, contributing to both personal enjoyment and environmental sustainability.