Purdue Landscape Report: Early June, we received a white pine sample at the Purdue University Plant and Pest Diagnostic Lab that showed early season needle loss lower in the tree canopy (Figure 1, 2).

A tree gets rid of White Pine Needle Disease by shedding all the needles infected by fungi. Before the needles fall, they will turn shades of yellow and brown. Photo by Emma Malinak/VTDigger Drive ...

I visited a friend in Evanston last weekend whose home had several white pines. His white pines were also dropping lots of needles, leaving an attractive pine needle mulch on the beds under the trees.

We may receive a commission on purchases made from links. Dealing with a plethora of pine needles from your conifer trees? Despite being evergreens, pine trees eventually shed some of their needles — ...

Pine trees, as with any typical conifer, keep their needles all year. Deciduous trees, such as maple, birch, or hickory, drop their leaves as the days grow colder. This is a mechanism used to preserve ...