London,
United Kingdom 
My Clematis hybrid 'Blue Angel' was not pruned earlier should I prune now or leave until next year
17 May, 2010
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« Hello, Forgive me for my strange terrminology, I am as you may tell a novice...
This is one of the large late fowering types. It is normally pruned in late Winter. If you have missed it then I would leave it alone until next time. It will do it no harm, you just might get flowers higher up the plant than normal.
17 May, 2010