British Clematis Society have lots of advice:
http://www.britishclematis.org.uk/pruning.htm
Stop feeding it. It is making leaf and no flowers. Treat it mean for a bit.
Thanks for that link Ladybird. President is category 2. Light pruning.
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British Clematis Society have lots of advice:
http://www.britishclematis.org.uk/pruning.htm
Stop feeding it. It is making leaf and no flowers. Treat it mean for a bit.
Thanks for that link Ladybird. President is category 2. Light pruning.