the time and process of budding and unfolding of blossoms
"The early morning mist clung to the garden as the cherry trees finally reached their peak flowering, filling the air with a sweet, intoxicating scent."
The period of time during which a plant is in flower.
"The gardener knows that pruning should be done immediately after the tree's flowering season ends to avoid cutting off next year's blooms."
present participle and gerund of flower
"The gardener spent his weekend watering the newly flowering tulips to ensure they bloom brightly by spring."
Of a plant, that produces flowers.
"The gardener carefully selected only flowering varieties for the front of the garden to ensure they would bloom in spring."