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schristmas View Drop Down
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Joined: 01 Jan 2006
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  Quote schristmas Quote  Post ReplyReply Direct Link To This Post Topic: clematis
    Posted: 15 Mar 2011 at 7:56am
If this is recent growth then it is highly likely to suffer from the causes of cold winds and early morning frosts in the manner shown in your pictures (my montanas are yet to produce any leaves).
The fact your plant has leaves already is probably down to the fact that you live in London (which is generally a little warmer) and the relative place where the plant is situated.
 
Steve 
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mdjlucan View Drop Down
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  Quote mdjlucan Quote  Post ReplyReply Direct Link To This Post Posted: 14 Mar 2011 at 8:20am
its was last week wen we had the cold wind and frost all so frost this moning

Edited by mdjlucan - 14 Mar 2011 at 8:20am
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schristmas View Drop Down
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  Quote schristmas Quote  Post ReplyReply Direct Link To This Post Posted: 14 Mar 2011 at 8:07am
You may have answered your own question (often termed 'leaf scorch'), this tends to start at the tips and work inwards.
Where the sides of the leaves are also affected this can be a sign of plant stress for reasons varying from lack of water, constricted roots, poor water retention in the soil or even damaged roots. 
I am not sure when the photos were taken so it's difficult to give a definitive answer but you can hopefully work out the reason based upon where your plant is positioned.
 
Steve
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  Quote mdjlucan Quote  Post ReplyReply Direct Link To This Post Posted: 11 Mar 2011 at 7:42pm
its a montana rubens
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  Quote mdjlucan Quote  Post ReplyReply Direct Link To This Post Posted: 11 Mar 2011 at 7:40pm
and this one
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  Quote mdjlucan Quote  Post ReplyReply Direct Link To This Post Posted: 11 Mar 2011 at 7:37pm
just sen this is it the cold wind thats doing this
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