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Sedirea Japonica won't bloom

This is a discussion on Sedirea Japonica won't bloom within the New Growers: Ask the Senior Members forums, part of the New Growers category; Hi all! I'm just looking for some advice, as I have a Sedirea Japonica that ...

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  1. #1
    Becky15349's Avatar
    Becky15349 is offline Senior Member
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    Question Sedirea Japonica won't bloom

    Hi all!

    I'm just looking for some advice, as I have a Sedirea Japonica that just won't bloom!

    I've had it since April '06. It was in spike when I bought it, and it was mounted. It bloomed, but all buds blasted except for 1.

    In June of 06, I moved it into S&H, where it has been ever since.

    It absolutely loved the S&H, and grew roots like crazy. Also grew 2 new leaves.

    However, the plant has not bloomed at all since then... and I just can't figure out why.

    Here are its current conditions:
    1. Exposure: south windowsill
    2. Watering: 1x a week, fertilize every 3rd week (winter schedule)
    3. Misting: daily, in the morning
    4. Humidity: ~50%
    5. Air circulation: There is a small fan moving air around all day.
    6. Culture: S&H media
    7. Temps: between 55 and 75F daily, depending on if its sunny or not

    Any advice for this guy? Maybe it needs to be wetter? A gentleman at the grower said it likes to grow mounted, so I would think it would be ok in hydroton...

  2. #2
    Ron-NY is offline rothaholic
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    are you flushing the fertilizer out of the S/H on a regular basis? I have 2 of these in moss they sit right next to each other in Catt light but one is in spike and the other is not. I keep mine wetter in the growing season and dryer in the cooler darker days of winter. Mine is grown intermediate.

  3. #3
    Tednz's Avatar
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    I have one of those and one crossed with Gastrochilus dasypogon.they do like regular watering when in growth,my watering goes on twice a day during the summer.One of mine is in a basket and the others are mounted on hardwood I have just done them so we will see what happens.
    Tednz

  4. #4
    Orchidzrule's Avatar
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    Becky,

    I hesitate to offer you advice because I think you are far more advanced a grower than I am, but I do have one in spike right now and it has bloomed every year for me since I got it.

    I bought it from a vendor at my local OS annual show & sale. The vendor claimed it would grow in Phal light conditions. When I repeated that to a couple of experienced growers in my OS, one snorted and the other said "Maybe high light end of Phal conditions". I put it with my mostly Catts & Tolumnias, which are under a 4-tube 4-feet fluorescent fixture. The plant is perhaps 9"-10" from the lights, but it's at the extreme front edge of the stand. It's in a bark mixture.

    I water mine once a week, occasionally twice. It certainly dries out between waterings. My temperatures are similar to yours, perhaps slightly less fluctuation and slightly cooler on average. I mist it irregularly and my humidity is much lower than yours--I envy 50% in winter!

    Perhaps you are being a little too nice to yours? Perhaps cut back on fertilizer a bit.

    As I say, I feel I'm less experienced than you, so take these suggestions with that in mind!

    Cheers,

    Rob

  5. #5
    Piper's Avatar
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    Becky, make sure your fertilizer provides trace elements like Calcium (Ca), and Magnesium (Mg).

    Inorganic trace elements that can also contribute to health and blooming include Manganese (Mn), Copper (Cu), Zinc (Zn), and Boron (B). These are less likely the cause for reluctanctant bloomers, but who knows!

    Most likely it's a case of too little light, or too little watering when the plant wants it most. If the critter doesn't think it can support blooms, it won't bother. It'll save its strength.

    McJulie

  6. #6
    stacey8989's Avatar
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    Becky,yours is doing better than mine. Mine hasn't shown any sign of growth (leaves or roots) since I bought it in October. I can usually at least get my orchids to grow roots!
    Orchid Lady- how's yours doing?

  7. #7
    Orchidzrule's Avatar
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    Default For what it's worth

    I thought it might be of some value if you could actually see what I was talking about in my previous post, so I've included a few photos.

    The first one shows the plant's growing area. If you look closely, you *might* be able to discern it as the third plant from the left.

    The second photo shows the plant in situ. The third photo is an attempt to show the plant without all the "interference" from its companions. In it, you can see the remnant of last year's spike on the lower left side of the plant.

    I suspect you are going to look at this and think your plant looks happier than mine! Just before it produced its first spike under my conditions, I was quite unhappy with the way the plant looked. Funny how the appearance of the spike made me less critical! All the same, I still think it looks only somewhat happy. Mind you, I often observe this--the best-looking plants are not always the best bloomers.

    (And, yes, I know the arrangement of the buds on the spike will not result in the best display of the blooms when--or if--they open. However, at my stage, I'm thrilled just to get blooms!)

    Cheers,

    Rob
    Attached Images Attached Images    

  8. #8
    sadie's Avatar
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    Hey there Becky. My sederia just started spiking, but I was starting to wonder if it would this year. I grow mine in the mid-light range. It is mounted and I mist it nearly every morning, but don't actually water it more than once a week. Mine seems to really like some cooler temps in the winter.

    Good luck

  9. #9
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    Mine is a lot smaller than Rob's, but here's a pic:
    Attached Images Attached Images  

  10. #10
    smartie2000's Avatar
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    Cute cultivar Stacey!

    Mine hasn't bloomed yet either, though it put out good leaf growth this summer

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