Leaves – Evergreen needles are 2 per fascicle; about 5” long; dark green; stout; rigid; sharply pointed. Twigs and buds – Opposite branching with waxy and resinous buds. Cones/flowers – A monoecious ...

Q. My Austrian pine is turning brown. Why? A. The Austrian pine (Pinus nigra), an exceptionally hardy and attractive evergreen, is a true landscape favorite. Yet despite the name "evergreen," as pines ...

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 and ...

“We have a couple of Scots and Austrian pines in our back yard with some branches that appear to be dying. A couple of limbs have even fallen off after a gentle breeze. Other limbs have large areas of ...

The Austrian pines (Pinus nigra) in my backyard have been declining for several years. These were the first trees I planted at my new home in 1988. At 3 feet tall, they were as much tree as I could ...

There is a problem affecting pine trees in Nebraska: pine wilt. Pine wilt is caused by a tiny organism that can produce big problems. The pinewood nematode is a very small worm-like organism that ...