A plant’s buds act as a shield for the delicate flowers inside. Flowers of different shapes, sizes and forms come with individual and distinct protection. Throughout winter these buds remain closed and dormant, surviving the cold until their time comes to thrive in the spring, making a vibrant emergence from their compact casing. While it’s usually easy to distinguish a species from its distinct flowers, buds can have more subtle differences. This visual guide to the more common tree buds should help you identify them.