The best time to trim back mature hedges and topiary is August.

When to trim box shrubs 19, The optimum time to trim boxwoods is in the spring when the winter overgrowth has died down and new growth is about to emerge.

Not Helpful 0 Helpful 4.

Trimming in the early spring gives you the best accessibility to all the discoloration and dead leaves. It’s also when scarring is least prone to occur. The best time to rejuvenate large, overgrown shrubs is late winter or early spring (March or early April). Heavy pruning in late winter or early spring will reduce or eliminate the flower display for 2 or 3 years.

However, rejuvenation pruning will restore the health of the shrubs. Oct 17, Trimming boxwoods properly is key to keeping shrubs beautiful and healthy. Prune once a year in the spring using pruning shears, loppers, or hedge trimmers. Perform touch ups through mid-summer if necessary. Immediately remove dead or deceased treecutter.bar: Jeffrey Douglas. When is the best time for common box tree pruning?

It is generally advised to prune evergreen shrubs just before their growth cycle commences in mid-spring so that any risk of frost is well out of the way and cannot harm new shoots.

This timing will also mean that pruning scars are concealed by new growth, which enhances the appearance of the treecutter.barted Reading Time: 6 mins. Yes, you can prune hard or trim boxwood shrubs to the desired height depending on the time of year.

Major pruning should be done in the late winter to early spring. Touch up trimming can be done all spring and summer. Avoid pruning in early fall into early treecutter.barted Reading Time: 7 mins. Oct 05, Although it’s easy to focus on how to trim an overgrown shrub, when to prune is equally important. Badly overgrown shrubs respond well to pruning in late winter/early spring, just before new leaves appear. Managing large shrubs isn’t done overnight.

Instead, prune neglected, overgrown shrubs over three treecutter.barted Reading Time: 2 mins.