Pruning: 'Arborvitae plants take to pruning very well and are not too picky about how and when you do this,' Bert adds. 'I like to do my heavy pruning in the early spring but I won’t hesitate to ...

If you have one or more of these trees growing in your yard, the best time to fertilize them is in early spring. American arborvitae trees ... such as an empty yogurt container and broadcast ...