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Talkback: How to lift and divide herbaceous perennials

Could you please show how to devide dahlia bulbs if this is possible


  • MiliMili Posts: 4
    Good video, well explained.
  • If the video was actually there I would be able to comment. I have been trying to watch it for three days now and it is missing!
  • Excitable BoyExcitable Boy Posts: 165

    Hmmmmm. I can see the video fine. Using Firefox 12.0.

    Anyway, this is dead easy, just get a sharp knife and think potatoes. As long as you have an eye, i.e. a sprouting bud, on a given piece that will be fine. Just cut through last year's stalk accordingly, keeping a bud and a piece of stalk on each bit.

    If you haven't got any buds yet then plant the tubers on the top of a tray of moist compost for a week ot so.


  • JacyJacy Posts: 7
    Q....I have some red cowslips in a pot, is it safe to divide them, if so, when's the best time?
  • JacyJacy Posts: 7

    Thanks for the info, still flowering at the mo, will do after.

  • Les8Les8 Posts: 2
    Please could you advise - i am moving house and have 3 very big bamboos to dig up how long will they be ok in "tonne" bags as i cannot plant them for a couple of weeks after up rooting will they survive this ordeal?
  • ObelixxObelixx Posts: 30,009

    As long as you're moving before the winter frosts arrive, they should be fine if you water their roots thoroughly and leave it to soak in at least an hour before digging them up.    Once in their bags, tie up the tops of the bag as much as possible to reduce water loss to air and also to keep the roots form drying out.   If it stays warm and dry, trickle in some extra water for them but don't drown them.    Keep them out of the wind till you're ready to plant.

    Vendée - 20kms from Atlantic coast.
    "We don't stop playing because we grow old; we grow old because we stop playing." - George Bernard Shaw
  • Is it best to divide lilies in the fall and how is best way to do it? How often should they be divided? These are NOT Asiatic Lilies.
  • fidgetbonesfidgetbones Posts: 17,578

    What sort of lilies, Jack?

    I would divide daylilies(hemerocallis ) in spring.

    True lilies (Lilium species) go down to bulbs, and dont get split as such. Small bulbils can be grown on for a couple of years to form flowering size bulbs.

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