Tiger303 wrote:
if you use the search engine on this site and type in hydrangea you'll
see there are a number or previous posts on this topic which go into
great detail.

At the risk of frightening you to death, there's only you 'on a site' with a
search box, the rest of posters here are in a newsgroup called
uk.rec.gardening - gardenbanter just steals our posts and gets paid for all
the advertisements.


HTH