Needles have a limited life span — usually two to four years, depending on the tree species. In spring, new needles are added at the tips of branches. In fall, the oldest needles, closest to the ...

Diplodia tip blight is a fungus disease that kills the new growth on susceptible species of pine trees. The obvious sign of diplodia tip blight is seen in spring, when new needles at the tips of ...

Blazier explained that pine trees have two sets of needles -- older needles from the previous year's growth and new needles from the current year. Initially, the disease was only affecting the ...

Jack pines are coniferous trees which typically grow in the northern forests of the United States and Canada. They are a short-lived species which often reach maturity at 40-55 years.

COLUMBIA -- Longleaf pine trees are beginning to shed needles across the Sandhills and Coastal Plain. This is an annual, natural occurrence that mainly takes place in the fall, but dry weather in ...

Some longleaf pine trees are shedding their needles early across the Sandhills and Coastal Plain this year. This is an annual, natural occurrence that usually takes place in the fall, but sudden ...

Do you have a mature pine tree with bunches of brown needles? It may be suffering from a fungal disease called diplodia tip blight. “Diplodia has become more common due to environmental stress ...