Here in Keego Harbor we have 48 ginkgo trees along Cass Lake Road. They have been there at least 15 (hard) years. This week I noticed that many are showing tiny leaves on the spurs, with normal sized leaves on the long shoots. I surveyed them and found that 36 of the 48 show this to some degree. It does not coincide with size, or amount of lawnmower damage on the trunk, or whether they are watered by neighbors or not. I've read that the leaf buds on spurs are formed at a different time than those on terminal shoots. So my question is this: It this a normal transitional phase in the spring, and I never noticed it before, or should I be looking for one of the few problems affecting ginkgo's which I read are nematodes and phytopthora root rot, or something else?
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