We have a Sourwood tree (Oxydendrum arboreum) that is dropping a lot
(but not all) of leaves this week. It did this last year at this
time. Is this normal for a sourwood tree? This tree is about 30
years old, gets full sun, plenty of water and drainage, nutrients from
nearby compost piles. The leaves are annoying in that they fall into
a nearby pond and I am considering removing the tree unless I can
correct the leaf drop problem. This tree is native to east Tennessee
and growing here before the property was developed. It has tripled in
size in the last 10 years. Twelve years ago I removed a heavy bugle
vine that wrapped its trunk and canopied the top.
I collected a few leaves this morning, scanned them, and posted the
image on alt.binaries.pictures.gardens. The leaves are green,
slightly wrinkled and covered with black spots. The edge of a
natural spring-fed pond is 15 feet downhill from the sourwood tree,
built 8 years ago. Could this be "black spot" fungus? If so, will
this kill the tree? The tree is about 30' tall. I'd rather not
remove the tree, I find the deep ribbed bark attractive and it
provides a home for tree frogs. Thanks for any suggestions.
On Mon, 17 May 2004 13:04:08 GMT, "David J Bockman"
I moved some 30-50' tall (to 16" caliper) to NY and CT from TN and WV a few
years ago. I have never seen a blackspot fungus on these or more locally
derived, nursery produced Oxydendrum. This is a new one on mew.
Mike LaMana, MS
Heartwood Consulting Services, LLC
The sourwood tree has stopped dropping its leaves. The leaf drop
lasted about 3-4 days and the tree appears to be doing fine. I find
it strange that a tree that recently leafed out would drop many
leaves. I can only conclude it was under some kind of (temporary)
On Mon, 17 May 2004, Phisherman wrote:
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