All junipers have dead zones at their center so severe pruning, including topping, is never a good idea. Instead, prune lightly and regularly, just before new growth begins in spring. The key to pruning juniper is to leave areas with dormant bud on each branch you trim.

When should junipers be pruned?

Junipers and arborvitae generally need little to no pruning. They may be pruned anytime except during sub-zero weather. The best time is early spring prior to new growth. The best pruning method is to cut individual branches back to an upward growing side branch.

Can juniper trees be cut back?

Pruning at the Right Time. Prune junipers annually to correct their shape. The best time to prune your junipers is in the winter or early spring. In the springtime, it's easier to see the general shape of the tree and cut the branches without having to worry about accidentally harming new growth.