She 'grew' intellectually and emotionally in her first year at college.
He 'grew up' playing music. [=he played music when he was a child]
As the tree 'grew' taller, the branches began to touch the house.
(..) My precious. For years it poisoned his mind. And in the gloom of Gollum's cave,it waited. Darkness crept back into the forests of the world. Rumor grew of a shadow in the East... ... whispers of a nameless fear. And the Ring of Power perceived... ...its time had now come. It abandoned Gollum. (..)2001 The Lord of the Rings: The Fellowship of the Ring