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Thoughts on planting out Dahlias now?

Dinnerplatedahlias🌸Dinnerplatedahlias🌸 Posts: 99
in Plants
Can I trust Glasgow weather to plant out my dahlias? 
Last year my dahlias took forever to flower and I think it was because I planted them out so late to be extra extra careful of frosts at the expense of blooms. 
Any thoughts on this? 
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Posts

  • Nanny BeachNanny Beach Posts: 8,427
    I haven't even started hardening my off and I am about as far south as you can be, starting today actually
  • FairygirlFairygirl Posts: 52,116
    I wouldn't be in a hurry  :)
    It should start to warm up a bit soon, so they should be fine in a couple of weeks. They're later flowering plants anyway, but I'm afraid you have to accept that our season is shorter, even if you're in the town itself. 
    It's a place where beautiful isn't enough of a word....



    I live in west central Scotland - not where that photo is...
  • punkdocpunkdoc Posts: 13,716
    Too early.
    Here in Sheffield, I won’t be planting out until the end of the month.
    How can you lie there and think of England
    When you don't even know who's in the team

    S.Yorkshire/Derbyshire border
  • BiljeBilje Posts: 740
    Here I am in NE England. Most of mine have been outdoors in their pots for the last two weeks. I also started planting them into borders. Sprouted tubers not bare tubers. I plant out 20-30 but by back only  allows me to plant 5-6 at a times. They’ve been fine. 
  • ObelixxObelixx Posts: 29,145
    It's been a long, cold spring here and I've only just put my dahlias out, in their pots after checking the forecast and seeing that night time temps will not fall below 5C.   Some of the smaller ones that have taken longer to produce healthy shoots are still in the polytunnel with the doors open by day but closed at night.

    I'd have thought Glasgow was a bit risky yet but you could always take some cuttings to keep under cover as insurance.
    Vendée - 20kms from Atlantic coast.
    "We don't stop playing because we grow old; we grow old because we stop playing." - George Bernard Shaw
  • edhelkaedhelka Posts: 2,324
    My dahlias have been outside in pots for weeks too now. I took them inside during the coldest nights (1-2°C) but if it were warmer, they were outside. Now the night temperatures are 6-8 and they are in an unheated greenhouse. I will plant them in the borders when they are big enough to resist snails. 
  • LoxleyLoxley Posts: 5,237
    edited May 2021
    Mine are now quite big plants, and I'm getting tired of the in/out/in/out so I'm going to start leaving mine out (Nottingham). We're forecast overnight temps of >8degrees for the foreseeable. They'll remain in pots on a tray so I can bring them in if need be. Glasgow would be more of a risk presumably.
  • Dinnerplatedahlias🌸Dinnerplatedahlias🌸 Posts: 99
    I’m so tempted to plant them out. Temperate tonight is lows of 3 degrees don’t know if this would be too cold for them.
    Cosmos and sunflowers I’ve planted out are doing fine however 🤔 
  • LoxleyLoxley Posts: 5,237
    edited May 2021
    The min. temp forecast in Nottingham is 7-8 degrees over the next week. 3 degrees I wouldn't risk..
  • punkdocpunkdoc Posts: 13,716
    What's the rush?
    How can you lie there and think of England
    When you don't even know who's in the team

    S.Yorkshire/Derbyshire border
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