When should I trim my Knockout roses, and what specific cues should I be attuned to in order to ensure optimal growth and vitality? Is there a particular season that heralds the perfect opportunity for pruning these resilient yet delicate blooms? Should I anticipate any fluctuations in their blossoming patterns, and how might environmental factors influence my timing? As I navigate the intricacies of their care, what signs of distress, if any, should prompt immediate attention to my pruning routine? Furthermore, are there distinct techniques tailored for different stages of their growth cycle that I should consider? How do the varying aspects of sunlight exposure and soil conditions interplay with the ideal pruning timeline? As I ponder these questions, I find myself eager to unravel the mysteries surrounding the art of maintaining my Knockout roses, ensuring they flourish and create a stunning visual display throughout the growing season.