Seasonal Needle Loss
Plants Affected:
Images of This Plant Disease:
Seasonal needle loss on a white pine tree
Seasonal needle loss on an arborvitae
It's normal for the oldest needles of most conifers to turn yellow or brown and fall in the autumn. Needles may drop in the spring if the preceding growing season was particularly stressful or the winter was severe.
See this article for more information about seasonal needle loss.
