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debra2019debra2019 Posts: 20
I’ve been putting my dahlia seedlings out in the sun and I’m not sure if they’ve been burnt or overwatered . grateful for any advice 


  • BobFlannigonBobFlannigon Posts: 619
    Have you been feeding them a lot?  Over-feeding can cause a similar effect...
  • debra2019debra2019 Posts: 20
    No I haven’t fed them I did repot them in gro sure multi purpose  compost which I think has food in it could it be that
  • Busy-LizzieBusy-Lizzie Posts: 21,654
    If they are young and tender and you put them in the sun when it was warm recently it could be that. Happened to mine once.
    Dordogne and Norfolk. Clay in Dordogne, sandy in Norfolk.
  • B3B3 Posts: 25,161
    It looks like sun damage to me. The same thing happened to my tomato seedlings the other day. I didn't expect the sun to be so hot this time of year.
    The new leaves will be ok.
    In London. Keen but lazy.
  • debra2019debra2019 Posts: 20
    I did the same put them out all day didn’t realise how hot it was so then gave them lots of water so wasn’t sure which one it was too much sun or too much water and they were doing so well for my first attempt 
  • NollieNollie Posts: 7,014
    Probably a combination of both! If the leaves got overheated and then the plant was then trying to take up too much water, the poor things have got a bit stressed. Don’t water again for a couple of days and then keep the soil just damp to give then a bit of recovery time and the new growth will be fine. Gradually increase the watering but never so they are sitting in it.

    I forgot to open the ventilation two days ago in my poly tunnel and lots of things keeled over on the heat, but they are perking up again.
    Mountainous Northern Catalunya, Spain. Hot summers, cold winters.
  • debra2019debra2019 Posts: 20
    Hopefully they’ll pick up I find it easy to get the seeds to germinate keeping them growing is the tricky part
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