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 ...

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 ...

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 ...

We compared establishment of Douglas fir (Pseudotsuga menziesii) and Corsican pine (Pinus nigra) seedlings in kānuka (Kunzea ericoides) and mānuka (Leptospermum scoparium) shrubland to test the ...