When is the flowering period of carnations?

April to September. Natural carnations bloom in spring, in April, and in September in autumn, the flowers will bloom for half a year. Artificial cultivation can make it open all year round by adjusting the environment, and the flowering time is affected by sunshine. Carnation is a perennial herb of Dianthus and Dianthus, which is the general name of many Dianthus horticultural varieties.