Orchids forum: What's happening here?

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Name: Betsy
Texas (Zone 9a)
Region: Texas Composter Butterflies Bookworm Bluebonnets Daylilies
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piksihk
Mar 23, 2018 7:30 PM CST
Thumb of 2018-03-24/piksihk/f14974
Yellow leaves

Thumb of 2018-03-24/piksihk/84b32b
Yellowing leaf

Thumb of 2018-03-24/piksihk/cfdd69
Will this grow leaves?
Thumb of 2018-03-24/piksihk/7e6ce7
Here's a root with both white and black on it. Why the black root?

Help save it please. It's on east facing windowsill.
While the earth remains, Seed time and harvest, Cold and heat, Winter and summer, And day and night Shall not cease. Gen. 8:22
[Last edited by piksihk - Mar 23, 2018 7:31 PM (+)]
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Name: Daisy I
Reno, Nv (Zone 6b)
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DaisyI
Mar 24, 2018 3:03 PM CST
Is your plant growing smaller instead of bigger? I hate that.

My only thoughts: New medium and a smaller pot. Old canes yellow and go into some permanent dormant mode (they aren't dead because you can start new plants with them) but new canes should be growing to replace them.
Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and proclaiming...."WOW What a Ride!!" -Mark Frost

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Name: Ursula
Fair Lawn NJ, zone 6b
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Ursula
Mar 24, 2018 3:31 PM CST

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Hi Betsy!
First of all, there is good news, you have some small, but healthy looking growths there. If I see this correctly, there is even a tiny new growth starting.
I wouldn't worry about the yellowing leaf. Most of these type of Dendrobiums leaf out during their growing season, then drop their leaves and bloom most of the time on bare canes.
Now the bad news is Smiling that pot is way too big and there is simply too much bark. These Dendrobiums like to be pot bound/ walk out of the pot to do well. (I have a similar plant, I have been growing it without medium for years) Also, if any way possible, give it as much light as it can take without burning. ( at least here in NJ! )
The bare cane will not leaf out again, but it is still functional.
[Last edited by Ursula - Mar 24, 2018 3:32 PM (+)]
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Name: Betsy
Texas (Zone 9a)
Region: Texas Composter Butterflies Bookworm Bluebonnets Daylilies
Native Plants and Wildflowers Amaryllis Cottage Gardener Container Gardener Clematis Plant and/or Seed Trader
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piksihk
Mar 26, 2018 7:50 PM CST
Thks Daisy and Ursula,
I will change to smaller pot. What type of medium should I use? This was from bag of orchid mix.

This was from a trade from very nice lady in Puerto Rico couple years ago - had bloomed only once.
So any other advice would truly be appreciated.
While the earth remains, Seed time and harvest, Cold and heat, Winter and summer, And day and night Shall not cease. Gen. 8:22
Name: Daisy I
Reno, Nv (Zone 6b)
Not all who wander are lost
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DaisyI
Mar 26, 2018 8:29 PM CST
Those bags of orchid mix from the BigBox store are only suitable for terrestrial orchids. What you want is some chunky, fast draining wood chips.
Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and proclaiming...."WOW What a Ride!!" -Mark Frost

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Name: Alice
Saint Helena Island, SC (Zone 9a)
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ardesia
Mar 27, 2018 4:59 AM CST
Daisy, the Better Gro orchid mix I find at Lowe's is mostly large chunks of bark/wood along with perlite, some charcoal and a tad of peat which seems to promptly disappear. They have two different formulas, orchid mix and phal mix but I find them almost identical. For me it is either that or I have to buy online, no nurseries that carry supplies around here.
Minds are like parachutes; they work better when they are open.
Name: Ursula
Fair Lawn NJ, zone 6b
Orchids Cactus and Succulents Region: New Jersey Region: Pennsylvania Native Plants and Wildflowers Greenhouse
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Ursula
Mar 27, 2018 7:11 AM CST

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I would just take some coconut fiber ( those mats used to line baskets) loosen it, wash it a bit and gently wrap the roots with that and use it to anchor the plant in a small basket. Tie the canes to the hanger so it doesn't wobble until established. This works well for me, but I do water a lot.
Name: Betsy
Texas (Zone 9a)
Region: Texas Composter Butterflies Bookworm Bluebonnets Daylilies
Native Plants and Wildflowers Amaryllis Cottage Gardener Container Gardener Clematis Plant and/or Seed Trader
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piksihk
Mar 27, 2018 12:56 PM CST
Great info, thanks.
@Ursula, what type of basket? The ones with holes or not? Maybe the small Easter baskets?

While the earth remains, Seed time and harvest, Cold and heat, Winter and summer, And day and night Shall not cease. Gen. 8:22
Name: Ursula
Fair Lawn NJ, zone 6b
Orchids Cactus and Succulents Region: New Jersey Region: Pennsylvania Native Plants and Wildflowers Greenhouse
Ponds Keeper of Koi Forum moderator Lover of wildlife (Black bear badge) Adeniums Spiders!
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Ursula
Mar 27, 2018 7:10 PM CST

Moderator

I have used the equivalent of Easter baskets, they work fine, but they fall apart in one season.
I like these
https://www.repotme.com/orchid...
But if I can't get my hand on one of those, I have fashioned wire cages from a small piece of rabbit fence, or I look for a small wire basket at my local nursery.
Name: Bill
Livonia, Michigan (Zone 6a)
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BigBill
Apr 4, 2018 5:32 PM CST
Most Dendrobiums will not like a "chunky" media. I can't be exactly sure what type of Dendrobium it is but you could use a mix suitable for Phalaenopsis.
Ursula makes a very good point and I agree totally, Dendrobiums do not like to be overpotted. Pot according to the size of the root system. Small roots = small pot. More roots can go into a slightly larger pot. Little plants the size of yours should be in a three inch pot, perhaps a four.
A basket would make an excellent choice but AFTER it has recovered. The good news is that they can recover quickly.
"Our children are the messages we send to a time that we will never see."

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