- grow in something
- grow in something1. [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.
Dictionary of American idioms. 2013.