"thesquire" wrote in a message:
snip
I have been told on good authority that the talc powder based
preparations lose their effectiveness after about eight months, even
if kept in a closed container and refrigerated.
---
I have been using the same giant tub of hormone rooting powder for
the five years. No wonder my cuttings haven't come to much these past
three.

Where can I get some 'fresh' rooting powder from ???
Notcutts?

M.R.