True Fir: Current-season needle necrosis

categories: Conifers Ornamentals True Fir True Fir Diseases

revision date: 2023-02-07 12:00

brown needles on fir branch against black background.
Current-season needle necrosis
Photo by: R.S. Byther


Current-season needle necrosis affects noble fir and grand fir. The cause is unknown, but appears to be a cultural problem due to a mineral deficiency. Shortly after growth begins, the current season’s needles develop brown bands. These bands later turn dark or reddish-brown, and may expand to cover the whole needle. The reddish-brown needles drop from the tree. Current-season needle necrosis is not specific to a particular area on the tree. It does not spread between trees.

Management Options

Use Integrated Pest Management (IPM) for successful plant problem management.

Non-chemical Management

Select non-chemical management options as your first choice!

  • Provide proper culture for trees. Proper irrigation and fertilization can minimize cultural problems.

Chemical Management

IMPORTANT: Visit Home and Garden Fact Sheets for more information on using pesticides.

  • None recommended