Thank you for the photo- it helps us identify what is going on.  From the picture this looks like Leaf Spot which is a fungal disease.  There will be spots on the foliage of the shrubs and the leaves may turn yellow and drop prematurely. You can spray/apply Fungonil RTU To help control the disease, [...]

Here are a few tips to help evergreens, such as arborvitae, survive the first winter: Make sure the ground around the arborvitae is staying moist and give them a good amount of water before the ground freezes.  A good rule of thumb is one inch of water, either through rain or by watering until [...]

This is called “black flagging” but there isn’t much known about it.  No known cause or treatment is proven.  Some think it is due to animal urine since it is typically lower on the tree and in one area.  Trim out the black and put the clippings in the garbage.  The trees should be fine.  Here are a couple universities [...]