Boys growth spurtsPuberty — or sexual development — is a time of dramatic change for both boys and girls. Hormone-driven changes are accompanied by growth spurts that . A major growth spurt occurs at the time of puberty, usually between age 8 to 13 years in girls and 10 to 15 years in boys. Puberty lasts about 2 to 5 years.Nov 17, 2014 . grow fast. Be ready with these 13 signs of the teen growth spurt.. Boys see broadening of their shoulders and girls' hips widen. Smelly: I .