You're probably right, we have about 96 percent humidity year round and it seldom gets cold enough to do any damage. Last winter was an anomaly for us. Today it's 96 percent humidity with 90F temps. Probably considerably hotter than Van Nuys. George Ron Hay wrote: > > Hello, George, > > Your tree may just be responding to very different growing conditions > than here in VN, where humidity during the growing season is very low. > > Just a thought. > > Ron