Posted by M. D. Vaden on July 06, 2003 at 18:54:45:
In Reply to: White substance on Weeping Snow Fountain Cherry posted by laurab on July 06, 2003 at 18:01:18:
And Beech gets Aphids like that, and many other trees.
Sometimes trees that usually don't get the Aphids, can get some on certain years.
A light blast of insecticide may do the trick - how about 50% solution to start. Or maybe one of those soap solutions.
M. D. Vaden of Oregon