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Geums

markwymarkwy Posts: 3
in Plants
I have lots of tangerine orange geums in pots on a north facing patio. Some are three years old but, some two but most are new this season. Three years ago they flowered incredibly until late autumn with me deadheading constantly. Last year they stopped flowering by June/July and this year, despite an amazing display of flowers in the spring they're failing to produce new flowers. Plants are watered, fed regularly and deadheaded religiously...a full time job with about 50 plants . Does anyone have any ideas what's going on? I've looked extensively on line but all the advice relates to what I'm already doing. I'm aware that the three year old ones will want dividing this autumn but where have all my flowers gone? Thanks in advance.

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  • GardenerSuzeGardenerSuze Posts: 5,692
     @markwy When deadheading you only remove the flower head and a tiny piece of stalk if you look closely you will see the new bud directly under the flower that has finished. It is easy to cut this tiny new bud by mistake. I assume you are doing this correctly. 

    For TT that has been in a pot for three years I would be suprised if it is not pot bound.
    Can you tip the pot and look underneath? Can you easily get your finger around the compost  near the the rim.
    Geums are easy to split each small piece roots to make a new plant,  you may have hundreds. A pot bound Geum won't flower as well.
    I have never known TT flower in late Autumn, I do get the odd flower stem through August. Welcome
    I have worked as a Gardener for 24 years. My latest garden is a new build garden on heavy clay.
  • markwymarkwy Posts: 3
    Hi thanks for your reply. That is the way I've been deadheading and you're right the three year old ones will certainly need dividing later. It's the newer ones that I'm bothered by. There are virtually no new buds forming near the dead heads. It seems their flowering season is over by mid to late June now.
  • GardenerSuzeGardenerSuze Posts: 5,692
    @markwy I don't know if you have noticed different colour tones of the flowers.  So there will be different strains. Some plants of the same variety can be better than others.
    You also mention that they face North do some pots get more sun than others? I grow my TT in full sun in the ground.
    The water and wood avens need more shade unless the soil is very retentive.

    I have worked as a Gardener for 24 years. My latest garden is a new build garden on heavy clay.
  • markwymarkwy Posts: 3
    The colours do seem fairly consistent and although north facing garden they get plenty of sun at this time of year and watered regularly. I was wondering maybe too much sun for this variety? As an experiment I've cut a couple right back as if for winter and am waiting to see if they come back with more vigour.
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