Flowering (noun)

1. The process of producing flowers, especially as part of the natural process of growth and reproduction in plants.
2. The state of producing or being covered with flowers.
3. The time when a plant produces flowers, typically in the spring or summer.

Origin:

Late middle english: from the verb flower in the sense "blossom, flourish".

Examples:

1. The flowering of the cherry blossom is a beloved event in Japan.
2. The flowering period of the orchid is usually very short.
3. The field was in full flowering and the air was heavy with the scent of blooming flowers.
4. The flowering of the almond tree signals the arrival of spring.
5. The flowering of the rose signifies the beginning of summer.