When And How Do I Cut Back New Growth On Plants

Question

I have a south facing garden in a townhouse in NYC and have a hard time getting plants to live in the back portion. I also don’t know when to cut back new growth on the plants which are thriving.

• 

Answer 1

This article should help:

https://www.gardeningknowhow.com/ornamental/flowers/fgen/pruning-garden-plants.htm