I apologize for this delayed reply to your gardening question and hope it is still helpful to you.
Annuals do complete their life cycle within a year. There are warm season annuals such as zinnias or marigolds and cool season annuals such as pansies. Perennials live from year to year, typically dying to the ground in winter and returning from the ground the following spring. There are a few perennial bulbs that have their dormant period in the summer. Annuals provide opportunities for having a lot of color fast while perennials are a longer term investment, but have their off seasons when they are not that attractive. It is usually best to have some of each in your landscape plan since no plant is at its peak all year round.
Thanks for the question. Best wishes for a wonderful gardening season. Please stop in again soon!
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