Spotting on leaves of various orchids
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Spotting on leaves of various orchids
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Old 08-04-2022, 05:56 PM
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WaterWitchin WaterWitchin is offline

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Late to the party. Just from the pictures, I see no fertilizer issues as Dimples says. From the pictures, the only thing I can see is a little bit of black spot on the phal leaf and a few on the crown. From the picture it appears really light-colored. The Onc looks like maybe a bit of sunburn from water on a leaf that was magnified by sun. The vanda looks like a fungus.

If you've been growing and blooming your phals successfully, the only thing I might suggest is a bit less light. And that's only IF the light grassy green color is reality and not from the picture. I wouldn't put them outside either if you have outside bug issues.

The vanda I'd get outside and hang under a tree or eave. Put some bacterial/fungal treatment on it if you have it, or spray it off with some rubbing alcohol. That gives it time to recoup while you figure out how to keep it warm once temps drop into low 60s, or find it a new home if you don't want to mess with it. It sounds like you're not super fond of it, and it's a baby. How much do you really want to baby it?
Caveat: Everything suggested is based on my environment and culture. Please adjust accordingly.
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Old 08-04-2022, 10:11 PM
sewagner86 sewagner86 is offline

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Spotting on leaves of various orchids

The picture is my 3 phal species. I have 4 grocery store phals also that aren't in the picture. The one on the top is my phal manii, the a bellina alba (which is my most recent purchase and I have only had it about a week.) The one one the bottom is supposed to a bellina coerulea but it could be a violacea (my friend bought one the same time I did and she got a violacea flower on it). The manii I have had the longest out of my species, but have only had it a few months. My grocery store phals I have had for a few years now and they grow new leaves and bloom every year. Is the color really too light on some of them? I can most certainly reduce lighting if needed. I will be moving the Vanda to my patio this weekend to see if i can make it a little happier. Thank you everyone for helping me out with it.
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Old 08-04-2022, 10:33 PM
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Roberta Roberta is offline
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Spotting on leaves of various orchids Female

The Phals look good, but they could probably use a little less light. One more thing to think about... Phal bellina tends to want to be warmer than most Phals. The cool temps in your house clearly aren't bothering the Phal hybrids (but they are bred to be pretty tough and forgiving) and should be fine for the Phal mannii (it comes from a range of elevations, is fairly cold-tolerant for a Phal). You might consider getting a heat mat for the P bellinas (or else turn down the AC).
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leaves, mine, oncidium, tiny, vanda

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