This is a symptom that can signal anything from a severe tree problem to no problem at all.
1. What it looks like
All the needles on a conifer begin to brown up or drop.
2. How to Diagnose it
A key is understanding when needle shedding is normal and when it’s not. Of course, we’re excluding deciduous conifers such as larch (Larix decidua and cvs., Zones 2–6) or bald cypress (Taxodium distichum and cvs., Zones 4–9) that drop all their needles every fall. Most evergreen conifers used in landscapes retain their needles for four to eight years. This means that they shed interior needles each year and we usually never even notice that needles have dropped. At the other extreme, if all needles on a conifer begin to brown up or drop, it may be cause for major concern.
3. What causes it
Sudden and widespread needle…
This article is only available to All Access members
This article is available online for the first time ever exclusively for All Access members. Sign up for a free trial to access our entire collection of articles, videos, and plant records.
Get our latest tips, how-to articles, and instructional videos sent to your inbox.