Plants are classified by their lifecycle. Perennials provide the foundation and annuals create accents to complete the look. Annuals are plants that have a one year life cycle and can be planted anytime. They are known for their beautiful bright colour flowers and are like a fashion statement in the garden. Perennials live for at least two years or more and have a shorter blooming season. They are best planted in the spring or autumn. They grow back year after year until the plant reaches maturity, which can be around five years. Some types of hardy perennials can last for twenty years or more. There are two different types of perennials. Deciduous perennials grow during the warm months and go dormant in the cold months. Evergreen perennials grow all year round and tend not to be floral. Biennials are less common and they grow for two years, flowering in their second year. Bedding plants are small and low price and provide a flurry of colour for a few months, mainly used in the spring or summer. Gardeners generally use a mix of all these types of plants in their gardens for maximum effect.