rampant((of something bad) getting worse quickly and in an uncontrolled way; happening a lot or becoming worse, usually in a way that is out of control (Cambridge Dictionary): Open drug use is rampant these days. Visitors to our fair city are shocked to see scores of mentally ill, psychotic and homeless druggies roaming the streets of downtown Vancouver.ART Vancouver)
blossom(Талант его расцвёл пышным цветом лишь в последний период его жизни. It was only in the last period of his life that his talent blossomed. VLZ_58)