clematis

[janjan]

why are the flower buds drooping as the plant is getting plenty of water at the moment?

[mikewith]

You may need to tie it up... see this article for details: http://www.theanswerbank.co.uk/Article.go?id=3215

[TeeCee]

It sounds to me you just maybe suffering a bit of Clematis wilt! This can come on over night and make you believe it needs watering. You may find this link useful: http://dialspace.dial.pipex.com/clematis/index.htm
When you get to the site, click on site map and scroll down to the subheading - WILT Hope this helps.