1
general::
Phrase(s): grow in something
1. [for someone] to increase in some quality, such as wisdom, strength, stature, etc. • As I got older, I was supposed to grow in wisdom and other good things. • Sam grew in strength as he got over the disease. 2. [for a plant] to develop or flourish in something or some place. • These plants grow in rich soil with moderate moisture. • They will grow well in this soil.
McGrawhill's American Idioms And Phrasal Verbs