Plant Life Cycles

Plants are classified by the number of growing seasons required to complete their life cycle. Generally, these groups are annuals, biennials, and perennials. Annuals will provide continuous blooms throughout the growing season, while biennials provide blooms during their second year of growth. Perennials will bloom for 2 to 8 weeks or longer, however, bloom time will vary and can occur during the beginning, middle, or end of the growing season.

For more information, please see this Penn State Fact Sheet

Penn State Horticulture Department

For more information on this subject, Please visit the College of Agricultural Sciences Publications Web site.

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