Laurie Moseley wrote:
I tried this on the group about 2 weeks ago, but got no responses. Does anyone
know what causes, and what can be done about, the problem mentioned in the
subject line of this post?

Laurie

Not many people grow this fabulous tree. It is hard to come by,
expensive when you do, and often fails within the first five years, IME.
I don't know what to advise, but I wish you luck with your specimen.

Flora