• Clematis long-term dormancy

    From Jeff Layman@Jeff@invalid.invalid to uk.rec.gardening on Sat Apr 26 08:27:53 2025
    From Newsgroup: uk.rec.gardening

    We have quite a few clematis.

    A few years ago a clematis ('Denny's Double') started getting weaker and weaker with fewer flowers each year and then it disappeared altogether.
    I was going to replace it when it suddenly reappeared after a couple of
    years. It is now a very strongly-growing and flowering plant. Last
    autumn I planted Clematis integrifolia 'Messina' and Clematis rCyNubiarCO,
    but neither has reappeared this spring. I'll leave them for a year to
    see if they reappear.

    There are a few reports (mainly in the US) of long-term clematis
    dormancy, such as: <https://www.hummingbirdfarm.net/clematis_dead.htm> <https://www.gardenweb.com/discussions/2049021/clematis-dormancy>
    Anyone seen anything similar here?
    (Charlie, have you had this happen? By the way, are you at Longstock
    Monday week?).
    --
    Jeff

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  • From Charlie Pridham@charlie@roselandhouse.co.uk to uk.rec.gardening on Fri May 2 17:21:17 2025
    From Newsgroup: uk.rec.gardening

    On 26/04/2025 08:27, Jeff Layman wrote:
    We have quite a few clematis.

    A few years ago a clematis ('Denny's Double') started getting weaker and weaker with fewer flowers each year and then it disappeared altogether.
    I was going to replace it when it suddenly reappeared after a couple of years. It is now a very strongly-growing and flowering plant. Last
    autumn I planted Clematis integrifolia 'Messina' and Clematis rCyNubiarCO, but neither has reappeared this spring. I'll leave them for a year to
    see if they reappear.

    There are a few reports (mainly in the US) of long-term clematis
    dormancy, such as: <https://www.hummingbirdfarm.net/clematis_dead.htm> <https://www.gardenweb.com/discussions/2049021/clematis-dormancy>
    Anyone seen anything similar here?
    (Charlie, have you had this happen? By the way, are you at Longstock
    Monday week?).

    Hi,
    No to Longstock Chris our son is doing it for us this year.

    Yes Clematis can appear to disappear for long periods, especially the
    large flowered types, I suspect they do make some growth in the years
    they appear to be absent. our record was a Lord Nevil thought dead and reappeared 17 years later!
    --
    Charlie Pridham
    Gardening in Cornwall
    www.roselandhouse.co.uk
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  • From Jeff Layman@Jeff@invalid.invalid to uk.rec.gardening on Sat May 3 19:19:02 2025
    From Newsgroup: uk.rec.gardening

    On 02/05/2025 17:21, Charlie Pridham wrote:
    On 26/04/2025 08:27, Jeff Layman wrote:
    We have quite a few clematis.

    A few years ago a clematis ('Denny's Double') started getting weaker and
    weaker with fewer flowers each year and then it disappeared altogether.
    I was going to replace it when it suddenly reappeared after a couple of
    years. It is now a very strongly-growing and flowering plant. Last
    autumn I planted Clematis integrifolia 'Messina' and Clematis rCyNubiarCO, >> but neither has reappeared this spring. I'll leave them for a year to
    see if they reappear.

    There are a few reports (mainly in the US) of long-term clematis
    dormancy, such as: <https://www.hummingbirdfarm.net/clematis_dead.htm>
    <https://www.gardenweb.com/discussions/2049021/clematis-dormancy>
    Anyone seen anything similar here?
    (Charlie, have you had this happen? By the way, are you at Longstock
    Monday week?).

    Hi,
    No to Longstock Chris our son is doing it for us this year.

    Indeed. I checked on your website and saw that he'd be there. There's no
    list of sellers available for Longstock at their own website or the
    Plant Heritage website. Seems an unnecessary omission to me.

    Yes Clematis can appear to disappear for long periods, especially the
    large flowered types, I suspect they do make some growth in the years
    they appear to be absent. our record was a Lord Nevil thought dead and reappeared 17 years later!

    Are you sure that Liz didn't replant one there?...

    Anyway, thanks got the confirmation about clematis "holidays". It should
    be mentioned more in websites discussing clematis growth.
    --
    Jeff
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  • From Chris Hogg@me@privacy.net to uk.rec.gardening on Sun May 4 10:28:30 2025
    From Newsgroup: uk.rec.gardening


    On Sat, 3 May 2025 19:19:02 +0100, Jeff Layman <Jeff@invalid.invalid>
    wrote:

    On 02/05/2025 17:21, Charlie Pridham wrote:
    On 26/04/2025 08:27, Jeff Layman wrote:
    We have quite a few clematis.

    A few years ago a clematis ('Denny's Double') started getting weaker and >>> weaker with fewer flowers each year and then it disappeared altogether.
    I was going to replace it when it suddenly reappeared after a couple of
    years. It is now a very strongly-growing and flowering plant. Last
    autumn I planted Clematis integrifolia 'Messina' and Clematis aNubiaA,
    but neither has reappeared this spring. I'll leave them for a year to
    see if they reappear.

    There are a few reports (mainly in the US) of long-term clematis
    dormancy, such as: <https://www.hummingbirdfarm.net/clematis_dead.htm>
    <https://www.gardenweb.com/discussions/2049021/clematis-dormancy>
    Anyone seen anything similar here?
    (Charlie, have you had this happen? By the way, are you at Longstock
    Monday week?).

    Hi,
    No to Longstock Chris our son is doing it for us this year.

    Indeed. I checked on your website and saw that he'd be there. There's no >list of sellers available for Longstock at their own website or the
    Plant Heritage website. Seems an unnecessary omission to me.

    Yes Clematis can appear to disappear for long periods, especially the
    large flowered types, I suspect they do make some growth in the years
    they appear to be absent. our record was a Lord Nevil thought dead and
    reappeared 17 years later!

    Are you sure that Liz didn't replant one there?...

    Anyway, thanks got the confirmation about clematis "holidays". It should
    be mentioned more in websites discussing clematis growth.


    A late work colleague and keen gardener, instead of clematis wilt he
    called it clematis won't.
    --

    Chris

    Gardening in West Cornwall, very mild, sheltered
    from the West, but open to the North and East.
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