I don't know the answer to your problem, but zone 8 to 10 can have amazingly
different Heat Zone requirements. I live in USDA Zone 8b, but the new Heat
Zone, I'm in 9b, almost 10. Summers here are very, very sustaining hot and dry.
South,central Texas. For example, today's average temperature should be just
about 90, which is a cool down. Do the math!
I have Viburnum davidii and V. burkwoodii. They both seem to be slow, are in
shade, and do put on growth, but down here, root development is much more
important the first three years of a plant, than the upper growth. Mine have
grown about 18 inches in two years, but next year they will take off, I'm sure.
I still don't know why you had that problem, but have you watered or is it in
the path of a sprinkler system which is not watering properly?
In answer to your question, this was the wettest summer on
record, with twice to three times the average annual rainfall.
Usually our climate has sufficient water throughout the year
to sustain most established plants, except perhaps in August.
When it's excessively dry, I water. This year, that was not
I suspect either it's Verticillium fungus or the roots just
got waterlogged after this constantly wet year, but I'd
appreciate hearing from anyone with experience diagnosing
On Mon, 22 Sep 2003 13:01:48 GMT, animaux
Beaufort, NC (on the coast in zone 8a)
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