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seeds not germinated

what have i done wrong? my 3 week old seeds have not yet germinated, easy ones too...icelandic poppies, aquillegia, sweet peas, calendula etc. I have one Morning Glory and one Calendula...has it been too hot? am I rushing/expecting earlier germination. I know lots of them could have been sown directly in the garden, but a new garden with a greenhouse I couldn't resist, actually thought they would fair better in the GH...any help would be appreciated...



  • sotongeoffsotongeoff Posts: 9,802

    Did you cover the seeds?-if the greenhouse was too hot you may have baked them-what sort of compost are you using?

    Sometimes it is better to start them off indoors then move them to the greenhouse once germinated.

  • Alina WAlina W Posts: 1,445

    Another thought - did you over-water them? Seeds need to be kept moist, not soaking wet.

    With the Icelandic poppies, did you sow the seeds on the surface, with no covering? They need light to germinate, taking up to 30 days.


  • H7H7 Posts: 15

    i sowed a few varieties of tomato seeds and  some leeks on 5/5 no sign of germination how long do they normally take

  • Angelique2Angelique2 Posts: 13

    Hi, I've had trouble with sunflower seeds both in the cold frame and in the ground at the allotment. Only 4 out of two packets have germinated. I thought perhaps mice or birds have eaten them.

  • CharlotteKCharlotteK Posts: 1

    I too have had trouble with courgettes. I sowed them in pots and in open ground.

    The pots have been in an open cold frame.

    They usually take just a few days.

    Perhaps it's just been too hot. I plan to sow again.

  • pavery026pavery026 Posts: 75
    Did you soak the morning glory seeds? That's what I did then once sown the tray was put in a propagator on a windowsill. I don't do well with sweet peas either don't know why.
  • fran53fran53 Posts: 1

    I sowed calendula seeds straight into the ground.  They started to grow, I kept them watered and then they disappeared.  Thought it might be slugs, but no sign of trails.  Have noticed some ants on the soil but that's all.  Not had much luck with cornflower seeds either.  The only success I've had was with poppies.

  • DovefromaboveDovefromabove Posts: 83,859

    My first lot of butternut squash seeds were very slow to germinate - after 3 weeks only one had grown at all so I sowed another batch (from the same packet).  The second sowing germinated quickly in the warm weather we ha dat the beginning of last week and the first sowing also germinated then!

    Sunflower seeds sown last Thursday were through the compost by Sunday and are a couple of inches tall today, one week later!  They're in an open cold frame.

    Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.

  • sotongeoffsotongeoff Posts: 9,802

    Some seeds won't germinate if the temperature gets too high-viola and lettuce spring to mind so warmth is not always the answer

  • kate1123kate1123 Posts: 2,815

    I always soak my morning glory seeds and I get  a minimum of 75% germination.

    @fran53 could be slugs but birds also like young seedlings, I use fleece to protect seedlings from pigeons and starlings.I rarely sow in the ground as they always pull them out.

    @angelique2 I am really surprised as sunflowers are usually the easiest seeds, where did you get the seeds from?

    Can I recommend using a  plastic bag, this way the seeds do not get too wet or too dry.

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