How can I tell if my plant is an annual or or perennial?
Certified GKH Gardening Expert
The answer depends both on the species and variety of plant and the climate of your area. Some plants are perennials in warm climates but are annuals in cold climates because the winter cold will kill them.
If you know the botanical name or common name of your plant, you can look up whether it is an annual or perennial, and what its cold hardiness is. Research the "gardening zones" the plant can be grown in. This article explains how to use gardening zones: