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Help with Dendrobium Hibiki seedling

This is a discussion on Help with Dendrobium Hibiki seedling within the New Growers: Ask the Senior Members forums, part of the New Growers category; ...

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  1. #1
    Costas is offline Senior Member
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    Default Help with Dendrobium Hibiki seedling

    I bought a Dendrobium Hibiki seedling online and need a little guidance since it does not seem to be growing. I did some research on care before buying but advice varied from treat as an adult to keep it in a mister – obviously going to depend on where you live.

    The seedling arrived 3 weeks ago and consisted of 2 keiki attached to a 2 inch stem which had dried out at the top. The babies had lots of 4-5 inch roots so I cut them from the stem and potted into 3 inch pots (the smallest I had) in a course bark mix. The pots sit on stones in small tubs to ensure no water at the base and the tubs in a container with an inch of water for humidity. I spray the leaves every 2 or 3 days when it's hot with very dilute foliar feed and also feed once a week by running water through the pot. They are in a bright SE window and moved when sun is hot (maybe they need more sun)

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    After 3-weeks they show no signs of growth in the leaves, is there something I’m missing because my cane dendrobium has started many new buds over the last 3 weeks so the environment cant be all wrong.
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    They look healthy to me. I haven't had many seedlings but I find they take awhile to catch on to the fact they are supposed to grow. I hope someone else can advise.

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    Did the Dens with the keikis have time to acclimate to the new environment before you separated them? It could be stress.

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    Myself, I would try to find smaller pots and reduce the size of the medium. I normally use 1 1/2" pots with a mix of 60% fine bark 20% charcoal and 20% perlite. Hibiki might find a south east too bright. Mine are in a north west and seem to be happy. If you do decide to re pot and find that the root tips have dried, a kelp soak might be a good idea. As an aside, Hibiki are notorious for either doing really well or languishing until death do he part.
    Last edited by Chris in Hamilton; June 8th, 2017 at 07:10 AM. Reason: Another thought

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    Thank you all for taking the time to reply

    Yes Traci, they do look healthy and when I just took them out of the pots, the roots looked healthy as well. They were straight when I potted but now have a curl

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    Good point about stress 78Terp - the keikis were both attached to a 2 inch piece of stem that was drying out (had withered at top), so I soaked in warm water for about 2 hours before separating. Being new to this, my worry was keikis would start to dry out if left on the stem but stress a very important point for next seedling. I then put them in a dilute bleach solution (half teaspoon bleach 500ml water) for 15mins to sterilise followed by rinse before potting.

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    The ruler is cm.

    Thanks for the advice on a suitable potting mix Chris. I made up a new mix with much finer bark and a little of the fine material in the bark bag, added some P4 water retention gel and charcoal. Could not find a suitable pot (will check garden centre next visit) so I made my own 2 inch pot. After potting dressed the pot with larger pieces of bark on top.

    The root tips were not dry although 1 plant had a few dead root side branches. The re-potted plants are now in a NW window. I also cut off a small withered section from a leaf just in case it was bacterial damage.

    Now just need to keep an eye on them and avoid overwatering because of the gel in the medium

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  6. #6
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    You have already gotten some sound advise and it looks like you have used a better media mix this time. Good luck!

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    Costas is offline Senior Member
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    Thank you for the encouragement, did not realise my Hibiki might become temperamental until Chris mentioned it. Will keep a closer eye on them and make sure they are happy although having 2 seedlings means I could give them slightly different environments. Will think about that

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    Default Dendrobium Hibiki seedling Progress

    I started this thread in June and thought I would keep it updated just in case someone else is interested in my attempts at growing a Hibiki seedling

    From late June both plants made new roots, although the one in the South East window seemed to be doing better, so thought I would move both there. Until late July they were both allowed early morning sun then moved to the North West window and kept away from direct sun. The additional light/warmth seemed to prompt them into growing new buds by the end of July and in mid August buds are now developing leaves. Throughout July they were sprayed with foliar feed every morning (obviously not whilst in the sun) but otherwise not watered. They are now watered every 7 to 10 days plus a foliar feed. No sign of roots in the air holes of the pots.

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  9. #9
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    Looking good Costas!

  10. #10
    Costas is offline Senior Member
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    Thanks Chris - they seem happy with nice fat bulbs

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