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Lazy Vandas!

This is a discussion on Lazy Vandas! within the **NOT IN BLOOM** All Genera forums, part of the Orchid Photography category; Originally Posted by Gage Great! I'm glad we may have gotten to the bottom of ...

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  1. #11
    OrchidAddict's Avatar
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    Quote Originally Posted by Gage View Post
    Great! I'm glad we may have gotten to the bottom of it! You can probably solve this easily by adding a small fan at one end of the window sill to keep the air moving. I'm not sure about the humidity, but I'm thinking the heat is probably the bigger issue here. What is the relative humidity of the room generally?
    Really? Just adding a fan will make that much of a difference? Well, okay...I'll do it! That's easy enough!

    I'm not sure what the humidity is over there...my other orchids have all been quite happy so I never really worried too much about humidity, but you've got me thinking about air movement, and I know that there's an air-conditioning vent behind the sofa. I don't think the air reaches where the orchids are...it just sort of blows on the outside of the curtain, but the air coming out of the air conditioning system is definitely NOT humid air. So I'm thinking that could actually be contributing to the problem by sucking humidity out of the air surrounding the curtain.

    I'm SOOOOO glad you two jumped in on this! I've been scratching my head for months wondering why these guys just won't grow! I think I'm going to address both problems. I'll put a fan behind the curtain where the orchids are, so that the air back there is definitely moving, and I'll also do something in the way of a humidity tray.

    In fact, I've been using a small tray to keep the seedlings secure and cart them back and forth in their tiny pots, and often there's some water in the bottom of the tray. So I just realized that the seedlings have essentially had a humidity tray all along...and they're the happy ones. You'd think it would have occurred to me that they had the humidity tray and were happy...therefore I should do the same for their larger neighbors. Ah, well, at least now we've got it figured out!

    Okay... I think I've got a pretty good handle on what's going on here now. Thank you both...especially you, Gage, for your input and all the time you've spent on this thread! I'm looking forward to posting some pictures of happy plants soon!


  2. #12
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    Good advice from Gage regarding the heat, even though these orchids are from the hot tropics, they are not used to the 'dry heat' humidity is the key. In my greenhouse every summer temperatures soar to around 110-112 F but the humidity stays close to 98% thats why my plants remain mostly unaffected the same temperatures without the humidity would dry them out completely in 2 days or so !! With high humidity comes the problems associated with it like rots so to balance that you need good circulation. So its just not one factor light, heat, humidity and circulation are all intertwined. And lastly Vandaeceous take a beating after repotting especially if done at the wrong time, it will take some time for them to take off.

  3. #13
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    We get to the high 90's but humidity is up to about 85%. The vandaceous you picked require almost full sun. I have all my Mok and Arandas in full sun. They get watered several times a day but from sun up till sun down full Florida sun.

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    Quote Originally Posted by cdayinflorida View Post
    We get to the high 90's but humidity is up to about 85%. The vandaceous you picked require almost full sun. I have all my Mok and Arandas in full sun. They get watered several times a day but from sun up till sun down full Florida sun.
    Hmmm...you water several times a day? Perhaps I'm underwatering, too. I was so worried that they'd be sitting in water that I have been pretty stingy with watering (being from Pennsylvania, I didn't know if I could provide the sun they needed, and I was worried they'd end up sitting in damp media.) Everything I've read says that they like to dry out. So I've been letting them stay dry for a while....perhaps too long. It seems there's several factors at play here, like Amey said.

    I'm going to bump up the waterings to twice a day. Now that they're in baskets, they dry out pretty fast on a sunny day. On a rainy day I could probably just stick with a morning watering, since they wouldn't be getting the heat from the sun.

    Oh, and I didn't "pick" these plants...LOL....they were free gifts with online orders. All 4 of my vandaceous orchids were free. When they arrived I freaked out a bit...I didn't know if I could even grow them in Pennsylvania. But it seems--surprisingly--that I do have enough sun...I just need to balance the heat with enough moisture.

    Now that I've gotten such great advice, I'm hoping I can get these sulky plants to perk up a bit! Thanks sooooo much!!

  5. #15
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    I would bump up the watering AND the air movement. Then you can worry less about overwatering. My entire collection has been less-than-thrilled with out weather this summer. Last summer they were thrilled outside in Iowa's steam bath. This year it has been high 90s nonstop, BUT the RH gets down in the 30s by mid afternoon. Inside, the AC runs constantly and it's gotten so dry, we sleep with the humidifier on to try and make it easier to breathe. I am not doing a good enough job of watering in or out.

  6. #16
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    I agree with others' recommendation to water more frequently. I would water as often as possible under the following guidelines: allow the roots to dry completely between waterings, and make sure they are dry before nightfall. Good luck!

  7. #17
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    There is no such thing as too much water...as long as you turn that fan up and let the roots dry between waterings. Also; you are upnorth...maybe if you put a plank of wood behind them to climb up it will help. I have been using some small boards from our construction guys, bored a couple holes so I could hang them and they love it. The wood will hold water and let it out slowly raising the humidity level right around your plants. Since we have a member in England that raises award winning vandas, don't worry about location as the proper care will make up for that. You have chosen a couple nice plants, i'm sure in time you will be rewarded for your efforts.

  8. #18
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    Quote Originally Posted by Cjcorner View Post
    There is no such thing as too much water...as long as you turn that fan up and let the roots dry between waterings. Also; you are upnorth...maybe if you put a plank of wood behind them to climb up it will help. I have been using some small boards from our construction guys, bored a couple holes so I could hang them and they love it. The wood will hold water and let it out slowly raising the humidity level right around your plants. Since we have a member in England that raises award winning vandas, don't worry about location as the proper care will make up for that. You have chosen a couple nice plants, i'm sure in time you will be rewarded for your efforts.
    Thanks for the tip and the encouragement! I have to admit I'm intimidated by the idea of mounting an orchid.

    So, if I were to mount them, essentially the roots would wrap around the mount and not dangle down, right? I don't really have space for dangling roots (hence the pots), but if they wrap around a mount I could do the wine-bottle-with-hook method and keep them on the windowsill.

    So, what would I do with the roots that are already there if I plan on mounting them? The roots are all in baskets right now...would I sort of gently wrap them around the mount and tie them in place? Would I let them dangle and then count on the new roots fastening themselves to the mount?

    Thanks Connie!

  9. #19
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    The board can have one end in a pot. And if you want to tie them around the board to encourage them to attach that is fine. Eventually they will attach just because that is how they live in the wild, attached to a tree. Hanging or in a pot is up to you. I'm glad to be of help, as i've asked all these questions myself. Growing orchids and having this website makes learning to care for them sooo much easier! lol It's nice to get to share what i've learned...sort of a "pay it forward" thing to me and I enjoy that facet of being a member on here.

  10. #20
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    My 2 more cents I still think the addition of a humidifier will help. Watering indoors is tricky. When I water mine several times a day it is because they are bone dry in the very high light and heat. Even with the high humidity Tampa has it still isn't the steam bath most jungles are and nor do we have the fog.
    I would give them as much light short of scorching them. Keep up some air movement and bump up the humidity. And completely dry by sunset. Naoki can help with blooming vanda types indoors.

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