Phrag. lindleyanum
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  #1  
Old 12-03-2018, 02:48 PM
wuness wuness is offline
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Phrag. lindleyanum
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I have 16 phrags and am able to get them to grow and flower with some success. However, Phrag. lindleyanum has me stumped. I've tried different moist media and am now growing it in Promix. It's still alive but it hasn't grown beyond 3-4 inches in 10 years or more. Is there anybody out there, that grows this species successfully, that could give me some ideas. It has some new fans coming now but nothing has come of them in the past. Thanks. Dave
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  #2  
Old 12-03-2018, 03:22 PM
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Roberta Roberta is offline
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Phrag. lindleyanum
 

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I don't grow this one, but if I did (will look for it... it's a beauty) I would try growing it outdoors in southern California. I looked it up, and it is a fairly high-elevation plant, and thus may need a bit of a winter chill. The Charles Baker culture sheet (in Orchidwiz) indicates that it does fairly low light. Can you grow it somewhat cooler than you have been?
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  #3  
Old 12-03-2018, 04:04 PM
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MrHappyRotter MrHappyRotter is offline
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It might help to keep in mind that sometimes a particular seedling is just a dud. And sometimes even an entire "batch" of seedlings from the same seedpod/flask/compot will be duds. If you're having success with 15 other Phrags, but just this one fails to grow or thrive, your P. lindleyanum might be on the losing end of the genetic lottery. It's also possible that the plant is diseased. While viral infection is very rare in slipper orchids, I thought I'd mention the possibility since lack of vigor is a potential symptom. I suppose it could be possible for long term fungal/bacterial infection or recurrent infections to cause issues as well.

I don't currently grow this species and haven't in the last 10 years, but when I did grow it, my plant did not appear to need any special care or attention compared to other Phrags. I treated it like every other water loving Phrag in my collection ... bright light, constant moisture, high quality water, and warm temperatures. Honestly, most Phrags will be fine in almost any type of orchid mix you give them, barring mounted culture. I'm not going into too much cultural detail (and you didn't really provide much info about your care routine), but to reiterate, if you're doing well with 15 other Phrags, then I think it's safe to assume whatever your growing conditions and care routine are, they are appropriate for Phrags. The only thing I can think of is that if your other plants are all hybrids or vastly different species, then perhaps they're a little more forgiving than a species (hybrid vigor is a real thing). The single biggest "tip" that improved my orchid growing (and especially my slipper growing) over the years has been to use high quality water, so that might be a route to investigate.

There are definitely some Phrag species with a reputation of being tough to grow or which have special requirements, but I don't really think of P. lindleyanum as one of those. If it's a species you're particularly fond of, you might want to buy another plant, odds are in your favor that it'll be a better grower if it's healthy when you get it.
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  #4  
Old 12-06-2018, 02:01 PM
wuness wuness is offline
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It occurred to me that it was a runt. I'm going to try a different approach. I took it out of the Promix and didn't see any healthy roots but there are 3 small fans forming. I'm going to try a mix of fine Orchiata, milled sphagnum, charcoal and sand. I'll water it every one to two days with rainwater (and occasionally 1/4 tsp/gal of fertilizer) to keep it moist. I may also put it in a shallow saucer of rainwater. If that doesn't work,,,?

wuness
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