Seasons are an integral part of life on earth. Not only do they influence the weather, growth and agriculture - they also play a role in the human state of mind and human consciousness. Seasons symbolize change. There is perhaps no more reliable change than the rise of seasons - they are a universal reminder of the passing of time and the cyclical nature of life. The innocent spring, balmy summer, fertile fall and frosty winter represent the harmonious cycle of nature.
With the creation of four new types of flora (with flowers that are impossible to flower together), the seasons are symbolized. The amalgamation of several types of flowers is the bridge between growing and transience, based on the cycle of the seasons.