United Kingdom 
why is my clematis only flowering at the bottom of the plant sorry no photo
Asked from the GoYpedia
clematis plants page
14 Jun, 2012
Answers
I've seen this but found it to be that the branches have flopped and then been held down by other growth. Only this week I saw this but I cannot guarantee that this is your problem but why not follow the stem back and see how long it is.
15 Jun, 2012
Do you know which variety it is?
14 Jun, 2012