Definitions

1. verb

to grow or develop upwards or upwards and outwards, especially of plants

“The new shoots will upgrow into strong branches within a few months.”

2. verb

to cause to grow or develop upwards or upwards and outwards, especially of plants

“The gardener will upgrow the young saplings to ensure they reach the trellis.”

3. noun

the act of growing or developing upwards or upwards and outwards, especially of plants

“The upgrow of the tree was visible in just a few short weeks.”