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Delphinium dwarf

IswashereIswashere Posts: 69
in Plants
Hi again I have just bought a 6 pack of delphinium jumbo blue. To the best of my knowledge they are the dwarf variety. I would like to plant either 3 in a pot with a dascia. What size pot would you recommend for this? Or if I was to plant all 6 in a pot instead, what size pot would you recommend? I have never grown these before.
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Posts

  • punkdocpunkdoc Posts: 15,039
    IMO they do not make good pot plants.
    How can you lie there and think of England
    When you don't even know who's in the team

    S.Yorkshire/Derbyshire border
  • IswashereIswashere Posts: 69
    Oh nooooo and I was so excited about them :(
  • LynLyn Posts: 23,190
    Have to agree, they are perennial cottage garden plants. 
    Gardening on the wild, windy west side of Dartmoor. 

  • Silver surferSilver surfer Posts: 4,719
    Food for the slugs.
    Never did succeed in growing them.
    Perthshire. SCOTLAND .
  • Jason-3Jason-3 Posts: 391
    edited May 2020
    Slugs don't realy bother with my delphiniums. I've grown quite a few varieties of delphinium and non do too well in pots. When I've tried, they suffer with powdry mildew and not flowered.
    They are best in the ground imo. Just as aside I've hot some success growing mine from seed. Even though it does take 2 years for a good sized plant
  • JacquimcmahonJacquimcmahon Posts: 1,039
    Mine grow fine in pots, but big ones! The mildew was a problem the first year until I became strict about watering from below and not touching the leaves. All depends on the work you are willing to put in.
    Marne la vallée, basically just outside Paris 🇫🇷, but definitely Scottish at heart.
  • Dirty HarryDirty Harry Posts: 1,048
    Everything is worth a try in a container, might surprise yourself.
  • PosyPosy Posts: 3,601
    All those fabulous plants you see at Chelsea are pot grown so it must be possible. You do need big pots, though.
  • IswashereIswashere Posts: 69
    I feel a bit more hopeful now after reading all your comments, thank you. I have a40 litre pot so should I put all 6 in this, would that be ok or can you suggest pot size and qty per pot please. Secondly to avoid the powdery mildew, is it best to water from below or is there something else I can do also?
  • rebeccamM6CA_Gn6rebeccamM6CA_Gn6 Posts: 133
    I think it depends really on the depth of pot...as deep as poss! re., watering certainly try to avoid wetting the foliage.
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