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seed sowing

When would be best time to sow tomatoes , petunias , sunflowers , cosmos  as seeds in a greenhouse under propergator .

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  • FleurisaFleurisa Posts: 779

    I've just started my tomatoes and cosmos in a propagator at home, I did my sunflowers in April last year.

  • Jason  I would start them indoors if you possibly can  they like the warmth to germinate once up in a week or two depending where you are.  here on the south coast they could be transferred to the greenhouse

    If you have a garden and a library, you have everything you need.
  • Busy-LizzieBusy-Lizzie Posts: 19,166

    Is it a heated propagator? If so then sow now, mine are coming up. But is your GH frost free or heated? Because you will need somewhere to put the baby plants when you pot them on. If you haven't an electric propagator then sow them indoors on a windowsill, preferably with a radiator under the window sill.

    Dordogne and Norfolk
  • Jason millyJason milly Posts: 546
    Many thanks
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