I have a number of Arborvitae trees which were subjected to -9 degree temperatures.

Prune or shape your arborvitae during spring, after the threat of frost has passed. 1 Examine your arborvitae tree and decide on a shape. Depending on the cultivar, arborvitae are naturally. Pruning Arborvitae to Maintain an Ornamental Look Spring - Removing overgrowth is similar to helping the tree maintain its shape.

You will want to prune in mid-summer while the plant has time to grow to shoots before winter. Consider cutting the overgrown branches slightly behind the sight line, or desired edge of the plant’s foliage. Oct 02, Step 1 - Choose the Proper Season Prune arborvitae to reduce height in the late winter, before the sap rises in the main trunk. To thin out overgrowth, prune in mid-summer, so new growth can take hold before the tree goes dormant for winter. Prune down to ground level in the early spring, before flowering and budding.

Oct 08, How to Trim Thuja Trees. To trim arborvitae properly, trim the terminal tips of the foliage. Make sure not to remove more than 30% of the tree’s foliage. Also make sure to only cut into green, young wood. Work in sections as you cut your tree to make less mistakes.

Avoid cutting horizontal branches of your bushcutting.bar: Jeffrey Douglas. Jun 03, Tree Care Tips. Arborvitae is a tough and versatile tree – an urban survivor.

Prune down to ground level in the early spring, before flowering and budding.

It can withstand compaction, most common kinds of air pollution, and a range of soils. It can be planted in tight, narrow spaces in a landscape where height is needed, and adapts well to shearing and shaping.