Diane,

Orthene is supposed to be a great systemic insecticide against scale. I know
growers who swear by it.

I've never used it myself, so I don't have any first hand experience, but
here's a name for you to do some research on.

-Eric in SF

"DVardner" wrote in message
...
Due to neglect (because of both my parents being in extreme poor health-
both
of them in their 80's and still living at their home) my poor orchids have
the
worst scale infestation that I have ever had to deal with. Before chucking
what