On Thu, 09 May 2013 17:51:39 -0700, David E. Ross wrote:

If you think the hedge is overgrown, use a pruning saw to cut each plant
down to about 20 inches from the ground. Within a few months, it will
again be a hedge.

My wife loves the white flowers but it's crowding the driveway so I
have to lop off a foot or more to trim it back on the sides.

On the top, I just want it to look neat'ish.

The flowers are just starting.
Is now a 'good' time of year to trim them?