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Identifying a Clematis which does not flower

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David

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Jul 26, 2016, 5:23:42 AM7/26/16
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I have a Clematis in a large pot which grows leaves each year but which
hasn't flowered within my memory (which isn't that long).

At the moment I am assuming that it is an early flowering variety and
isn't flowering because it is taking too long to start growing each year
(it is neglected - no winter pruning).

I assume that there is no easy way to identify this without a flower.


Cheers


Dave R


--
Windows 8.1 on PCSpecialist box

Charlie Pridham

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Jul 26, 2016, 6:09:11 PM7/26/16
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Try some leaf close ups and stem close ups, a shot of the roots if its
in a container would help as well (dont dig it up, just what hanging out
the bottom). It may not give a positive ID but I may be able to exclude
some groups.

Also details of when and how you have been cutting it back.

--
Charlie Pridham, Gardening in Cornwall
www.roselandhouse.co.uk
National collections of Clematis viticella & Lapageria rosea

David

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Jul 27, 2016, 6:55:41 AM7/27/16
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On Tue, 26 Jul 2016 23:12:35 +0100, Charlie Pridham wrote:

> On 26/07/2016 10:23, David wrote:
>> I have a Clematis in a large pot which grows leaves each year but which
>> hasn't flowered within my memory (which isn't that long).
>>
>> At the moment I am assuming that it is an early flowering variety and
>> isn't flowering because it is taking too long to start growing each
>> year (it is neglected - no winter pruning).
>>
>> I assume that there is no easy way to identify this without a flower.
>>
>>
>> Cheers
>>
>>
>> Dave R
>>
>>
> Try some leaf close ups and stem close ups, a shot of the roots if its
> in a container would help as well (dont dig it up, just what hanging out
> the bottom). It may not give a positive ID but I may be able to exclude
> some groups.
>
> Also details of when and how you have been cutting it back.

Will post some pictures, thanks.

<joke>

On the cutting back front, how about "never"?
Is "never" good for you?

</joke>

David

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Jul 27, 2016, 7:38:16 AM7/27/16
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On Tue, 26 Jul 2016 23:12:35 +0100, Charlie Pridham wrote:

> On 26/07/2016 10:23, David wrote:
>> I have a Clematis in a large pot which grows leaves each year but which
>> hasn't flowered within my memory (which isn't that long).
>>
>> At the moment I am assuming that it is an early flowering variety and
>> isn't flowering because it is taking too long to start growing each
>> year (it is neglected - no winter pruning).
>>
>> I assume that there is no easy way to identify this without a flower.
>>
>>
>> Cheers
>>
>>
>> Dave R
>>
>>
> Try some leaf close ups and stem close ups, a shot of the roots if its
> in a container would help as well (dont dig it up, just what hanging out
> the bottom). It may not give a positive ID but I may be able to exclude
> some groups.
>
> Also details of when and how you have been cutting it back.

Pictures here.

http://i817.photobucket.com/albums/zz92/LittleGreyCatUK/Garden%
20Pictures/20160727_123006.jpg

http://i817.photobucket.com/albums/zz92/LittleGreyCatUK/Garden%
20Pictures/20160727_122958.jpg

David

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Jul 27, 2016, 9:58:59 AM7/27/16
to
On Wed, 27 Jul 2016 14:42:05 +0100, Chris Hogg wrote:

> On 27 Jul 2016 11:38:14 GMT, David <wib...@btintenet.com> wrote:
>
>>Pictures here.
>>
>>http://i817.photobucket.com/albums/zz92/LittleGreyCatUK/Garden%
>>20Pictures/20160727_123006.jpg
>>
>>http://i817.photobucket.com/albums/zz92/LittleGreyCatUK/Garden%
>>20Pictures/20160727_122958.jpg
>>
>>Cheers
>>
>>
>>
>>Dave R
>
> Have you ever fed it?

Yes.

Charlie Pridham

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Jul 27, 2016, 5:53:42 PM7/27/16
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On 27/07/2016 12:38, David wrote:
> http://i817.photobucket.com/albums/zz92/LittleGreyCatUK/Garden%
> 20Pictures/20160727_122958.jpg

It most resembles a group two type which needs cutting back at some
point in summer. It definitely needs repotting! I would expect it to
have buds visible in late march and be in flower May June.

It is however very difficult from just the leaves to be sure, but even
if I am wrong it needs cutting back

David

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Jul 28, 2016, 9:30:02 AM7/28/16
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On Wed, 27 Jul 2016 22:57:08 +0100, Charlie Pridham wrote:

> On 27/07/2016 12:38, David wrote:
>> http://i817.photobucket.com/albums/zz92/LittleGreyCatUK/Garden%
>> 20Pictures/20160727_122958.jpg
>
> It most resembles a group two type which needs cutting back at some
> point in summer. It definitely needs repotting! I would expect it to
> have buds visible in late march and be in flower May June.
>
> It is however very difficult from just the leaves to be sure, but even
> if I am wrong it needs cutting back

Thanks.

(1) When in summer should I cut it back? I am obviously concerned that if
I cut it back when it is in full leaf then it may lose all the energy
producing stuff which goes into the roots. If cut back hard should I
expect it to bud and grow on again during the summer/autumn?

(2) The pot is (relatively speaking) huge. Are you saying that the compost
needs removing and refreshing? I hope you aren't saying that it needs an
even larger pot! :-)

Charlie Pridham

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Jul 28, 2016, 11:14:05 AM7/28/16
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Pot is not huge! but at bottom end of what is needed, if you are
intending it to stay in that size pot it will need repotting at least
every other year, September is a good time, cut it back remove it knock
a load of compost off, chop the roots by 50% then repot into the same
pot. If you dont want to go to that degree of trouble it needs something
along the size of a half barrel, use some soil in the mix. a big pot
like a half barrel should give you indefinite years if fed and top
dressed each year

David

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Jul 28, 2016, 11:28:27 AM7/28/16
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O.K. - thanks.

For the moment I will give it a feed and see if it bucks up at all.

Given the spindly size of the plant above ground I had expected it to be
quite modest in its need for a pot.

With a following wind I will repot it in September and post a picture of
the roots.

Jeff Layman

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Jul 28, 2016, 4:44:03 PM7/28/16
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I was wondering about the depth of pots in which clematis is grown. If
the variety is susceptible to clematis wilt, can the clematis be planted
deeply enough to survive it?

--

Jeff

David

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Sep 20, 2016, 3:03:46 PM9/20/16
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On Wed, 27 Jul 2016 22:57:08 +0100, Charlie Pridham wrote:

> On 27/07/2016 12:38, David wrote:
>> http://i817.photobucket.com/albums/zz92/LittleGreyCatUK/Garden%
>> 20Pictures/20160727_122958.jpg
>
> It most resembles a group two type which needs cutting back at some
> point in summer. It definitely needs repotting! I would expect it to
> have buds visible in late march and be in flower May June.
>
> It is however very difficult from just the leaves to be sure, but even
> if I am wrong it needs cutting back

Sorry about the lack of pictures; overtaken by circumstances.

However it has just started to flower so I will try and post some pictures
soon.

Cheers


Dave r
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