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How early can i sow zinnia seed?

i am planning to start a cut flower business I wounder what the early to sow zinnia seed before the 4-7week before the last frost.  

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  • fidgetbonesfidgetbones Posts: 15,866

    What country are you in?

    How much heat /protection from frost , do you have?

    If you have a heated greenhouse, with a minimum of 10C you can start them anytime from now in the Northern hemisphere, to grow on into large plants to plant out after the last frost.

    You don't stop doing new things because you get old, you get old because you stop doing new things. <3
  • Bright starBright star Wrea GreenPosts: 1,120

    thry also don't like root disturbance so best sown into individual cells/pots

    Life's tragedy is that we get old too soon and wise too late.

  • PosyPosy Isle of Wight.Posts: 3,221

    Sarah Raven knows her stuff. You can germinate all sorts of seeds but if you haven't the space in a really warm greenhouse they struggle or die. Those nifty little plug plants can be just the same and should be chosen with care.

  • Bright starBright star Wrea GreenPosts: 1,120

    SR suggests sowing in March-May and her advice is usually sound. Zinnias seem to be fussier than most seeds  but they are so lovery it's a shame not to give then a bit more TLC. It will be my first try with these too.

    Life's tragedy is that we get old too soon and wise too late.

  • Bright starBright star Wrea GreenPosts: 1,120

     Your on aym 280!

    Life's tragedy is that we get old too soon and wise too late.

  • Snow MaidenSnow Maiden South Coast UKPosts: 862

    I grow Zinnias every year and sometimes they can be fickle! Last year for some reason I lost all my 1st showings.  Thy really do need the right environment. But

  • Snow MaidenSnow Maiden South Coast UKPosts: 862

    Oops what happened......It posted it self!!!!!

    What I was saying is that they are well worth the effort and last all summer long.

  • fidgetbonesfidgetbones Posts: 15,866

    Definitely need heat to germinate well. 

    You don't stop doing new things because you get old, you get old because you stop doing new things. <3
  • Snow MaidenSnow Maiden South Coast UKPosts: 862

    Also I sow in individual pots as they are best not disturbed ( although I have been quite successful in doing so in the past). Last year because of the first sowing failure I direct sowed some, they were all fine but had to be on slug patrol watch and I used a cut down plastic bottle to protect the young seedlings.

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