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Giant scabiosa self seeding?

dangermousiedangermousie Posts: 356
in The potting shed
They have been a true highlight this year! How much should I fear self seeding? :smiley:
I'm guessing that if they self seed, they shoot a long root downwards pretty quick and are harder to pull out, like dandelions?
Do you remove the seed heads or leave for the birds?

Posts

  • fidgetbonesfidgetbones Posts: 17,618
    I dead head them. They tend to spread sideways and need splitting after a number of years.
  • dangermousiedangermousie Posts: 356
    Thanks!
  • dangermousiedangermousie Posts: 356
    It tried deadheading them to see if they'll produce new flower stalks, but they didn't. same for yours?
  • LG_LG_ Posts: 4,360
    Cephalaria? Mine self seed like mad but the seedlings are quite easy to recognise and also quite easy to remove when young. They do have a tap root but in my experience it takes a while to get big, so nothing to be afraid of. 
    'If you have a garden and a library, you have everything you need.'
    - Cicero
  • dangermousiedangermousie Posts: 356
    Throwback Friday. You were so right! There were at least 100 seedlings, but they look very distinct, just like sunflower seedlings. The biggest and strongest one decided to flower again. 
    Today:

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