Some say that fall is the way to go while others say.

This evergreen shrub grows 3 to 6 feet tall and blooms with purple or white flowers from summer until the first frost. For frost-tender plants, the extra branches and growth protects them cold. 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. The best time to prune healthy, well-maintained spring. Jul 03, In general, prune needle-bearing evergreen shrubs in early spring, toward the end of dormancy and before the emergence of new growth.

Pruning the evergreens at this time allows plenty of time for new growth to emerge, as well as plenty of time. Oct 26, A growth that will now be killed off in the next aerial tree pruning, while at the same time depleting the finite stores of energy the plant has to weather the winter.

Full Name.

Instead, let it sit through the winter until the last frost passes before you get trimming. Your plants will thank you. Tools to Prevent Frost Estimated Reading Time: 3 mins. Oct 25, Spirea shrubs respond well to pruning. In the spring, after the first blooms are spent, cut the dead flowers back by trimming spirea’s stem tips back to the topmost leaf on each stem. Throughout the summer, the plants shape can be maintained by cutting back overgrown spirea shoots or stems as well as any dead or diseased branches.