How should I trim these big shrubs against the house? I’d like to let them get taller and have a little bit of space behind the smaller shrubs. But is that good for them, are they meant to be trimmed tall? And what time of year should I trim them? Thank you!

How should I trim these big shrubs against the house? I’d like to let them get taller and have a little bit of space behind the smaller shrubs. But is that good for them, are they meant to be trimmed tall? And what time of year should I trim them? Thank you!

by Fullof_it