Dianthus or or pinks, or carnation is a perennial plant in some areas and an annual plant in other areas. Generally it is more perennial in zones higher than 5. Different varieties are hardier than others.
There are dozens of marigolds, and some are annuals while some are perennials.
There are many varieties of daisies. Some are annuals and others are perennials.
They are perennials. They are very hardy plants!
Annual
annuals
Dahlias are perennials, meaning they come back year after year.
Dahlias are perennials, meaning they come back year after year.
Strawberries are perennials, meaning they come back year after year.
Strawberries are perennials, meaning they come back year after year.
biennials
annual
Impatiens are typically grown as annuals in most regions, but some varieties can be perennial in zones with mild winters. In colder climates, impatiens are often replanted each year for continuous flowering.