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Terrified to repot my new Rossioglossum

This is a discussion on Terrified to repot my new Rossioglossum within the General Orchid Culture forums, part of the Orchid Culture category; Wow Kelly that looks really healthy! That looks exactly like how mine arrived and I ...

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  1. #11
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    Wow Kelly that looks really healthy! That looks exactly like how mine arrived and I have repotted mine twice since it got here. When it first arrived I potted it into a pure sphag mix but then panicked a few days later and changed it for a medium bark, charcoal, perlite (5-1-1) mix instead. It is doing great in there and it loves it. I did add a bit of sphag just to help with moisture but even so I still have to water every 3-4 days though. It is currently in spike and mine is a 'finicky' grande! Good luck with this one as they say, if at first you don't succeed....

  2. #12
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    that looks cool! never heard of a Rossioglossum before..looks healthy to me though?

  3. #13
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    It looks nice and healthy to me and I would repot this particular plant right away. The new shoot that you see is being produced from reserves stored in the older pseudobulb. Roots on the previous growth tend to stay alive for 2 or 3 years maximum and don't tend to grow a lot after the first year they were produced. The new shoot is well advanced and will start producing roots soon, so now is the perfect time to repot it. The roots will be happier if they can grow into new medium unhindered rather than being disturbed at a later date when they have already grown into the sphagnum. I grow mine in a mix of large bark chips and large perlite in what seems a ridiculously small pot, but believe me, they don't like to be overpotted. The roots are quite thick and fleshy and they like being moist once they start to grow, but they also need excellent drainage and really dislike being wet during their winter rest, which is very prolonged for this species. So small bark, sphagnum, or a mix of these two are not the best idea as they take a very long time to dry when it gets colder. The new growth will mature in Nov-Dec and then needs a definite rest for a few months. People often get carried away and start to water them in spring when most orchids start to grow, but they rot very easily if you water them before the new growth is about an inch tall, so hold the water until you actually see the new growths, which can start as late as June but usually appear in May. My advice is to treat it like a cactus in winter and don't be afraid to see the pseudobulbs shrivel a bit. The roots will stay healthy even after 5 month in nearly completely dry conditions if you can supply enough cold (they like it cold in winter), but since you live in fairly hot climate I wouldn't keep it completely dry for that long and I'd give a bit of moisture every few weeks during the rest.

  4. #14
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    Thank you, Tony! I have clay pots and plastic...what do you suggest?

  5. #15
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    Thats a nice looking Rossioglossum Kelly and as you seem to realize Tony's advice is right on......................AL

  6. #16
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    Tony is an encyclopedia of knowledge!
    Posted via Mobile Device

  7. #17
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    He is! I must say, this is far and away the most complicated orchid I've ever owned.

  8. #18
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    Stick at it. I am no expert on orcids but I am managing just fine with it; give it water/ fert and leave it be. I do have major issues with my Bc! I wish I had your temps and sunlight for that! Had it for a year and it has never bloomed for me
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  9. #19
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    I went home today to find two of the pseudobulbs already slightly yellowing. I have done absolutely NOTHING to this thing! I haven't even fertilized it yet. It's just been there, in medium "light" (we've had dready weather almost ever since I got it) in temps at about 70-75 degrees. What the actual hell?

  10. #20
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    Sorry to hear that. I am tempted to say that you should just put it in the fridge and be done with it! No seriously, I shall keep my fingers crossed for you.
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