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VA
Foliage Fan
BriLyn5
Nov 15, 2020 11:40 AM CST
I have this baby selloum, and it seemed to he doing fine but all of a sudden its oldest leaf turned yellow(outside in) and died now the same thing is happening to another leaf! I don't know what's happening or what the cause is so I can figure out how to help it. Any ideas? I'm desperate!
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[Last edited by Wrightbl5 - Nov 15, 2020 11:56 AM (+)]
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Name: John
Hollywood, FL (Zone 10b)
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John2468
Nov 15, 2020 2:25 PM CST
How often are you watering it, where do you put it, how much light do you give it, what is the temperature, how high is the humidity, what soil and what fertilizer? Also check if there are any pests.
:)
VA
Foliage Fan
BriLyn5
Nov 15, 2020 2:35 PM CST
I've watered it whenever the top bit of soil is dry(maybe twice a weekish?), during the day I'm keeping it by a west-facing window until the sun sets, then I move it onto my dresser(I'm a college student so live in a dorm) next to my diffuser hoping that will give it extra moisture, I have also been misting it. The temperature is around 70 degrees. I have it planted in a miracle grow cactus and succulent mix, I've also added some pearlite to help with draining cause the soil was getting packed, also haven't fertilized it cause I haven't had any on hand. No pests. thanks for your help!
[Last edited by Wrightbl5 - Nov 15, 2020 2:37 PM (+)]
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Name: John
Hollywood, FL (Zone 10b)
serious plant addiction!
Herbs Cut Flowers Critters Allowed Cottage Gardener Composter Clematis
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John2468
Nov 15, 2020 3:01 PM CST
I don't see a problem, it may be a nutrient deficiency, maybe iron??
:)
VA
Foliage Fan
BriLyn5
Nov 15, 2020 3:07 PM CST
Thats kinda what I was wondering, I'm kinda a newbie, any ideas to get some iron in there?
Name: John
Hollywood, FL (Zone 10b)
serious plant addiction!
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John2468
Nov 15, 2020 3:20 PM CST
The only way I can think of is fertilizer
:)
VA
Foliage Fan
BriLyn5
Nov 15, 2020 3:22 PM CST
I'll try that! thanks so much!
Name: John
Hollywood, FL (Zone 10b)
serious plant addiction!
Herbs Cut Flowers Critters Allowed Cottage Gardener Composter Clematis
Canning and food preservation Brugmansias Bookworm Bluebonnets Beekeeper Bee Lover
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John2468
Nov 15, 2020 3:28 PM CST
Thumbs up Thumbs up Smiling
:)
Name: Lin Vosbury
Sebastian, Florida (Zone 10a)

Region: United States of America Region: Florida Charter ATP Member I was one of the first 300 contributors to the plant database! Million Pollinator Garden Challenge Garden Procrastinator
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plantladylin
Nov 15, 2020 3:38 PM CST
Hi Wrightbl5 Welcome!

Tree Philodendron (Thaumatophyllum bipinnatifidum) synonym: Philodendron selloum are landscape plants here in Florida and I have some large ones in my yard but I've never grown one as a houseplant. I think your baby plant may be staying too wet at root level and twice weekly watering is likely the cause of the leaves turning yellow and dropping.

Soil of container plants doesn't dry as quickly as the soil of plants that are growing in nature where the air circulation is excellent and the water disperses through the soil. Container house plants require less water in winter than during the actively growing summer months and if a soil is a type that tends to be water retentive, oxygen at root level is depleted and rot can occur. It's important for indoor plants to be in a bright warm, location with good air circulation. They should be kept away from cold drafts of windows and doors as well as from the hot drafts of heaters and furnaces. My advise would be to alter the watering schedule to every two weeks, which will allow the soil to dry sufficiently between watering and see if it makes a difference.
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Name: John
Hollywood, FL (Zone 10b)
serious plant addiction!
Herbs Cut Flowers Critters Allowed Cottage Gardener Composter Clematis
Canning and food preservation Brugmansias Bookworm Bluebonnets Beekeeper Bee Lover
Image
John2468
Nov 15, 2020 3:40 PM CST
Agree I agree I agree
:)
VA
Foliage Fan
BriLyn5
Nov 15, 2020 3:44 PM CST
ok! yeah the soil was staying wet that's when I added the pearlite, ill try less water and getting it some nutrients as John said, thank you guys! If you have any other suggestions please let me know.
Name: John
Hollywood, FL (Zone 10b)
serious plant addiction!
Herbs Cut Flowers Critters Allowed Cottage Gardener Composter Clematis
Canning and food preservation Brugmansias Bookworm Bluebonnets Beekeeper Bee Lover
Image
John2468
Nov 15, 2020 3:45 PM CST
Thumbs up
:)
Name: Daisy I
Reno, Nv (Zone 6b)
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DaisyI
Nov 15, 2020 3:50 PM CST
DO NOT FERTILIZE!

For two reasons:

Miracle Gro soil comes with a 6 month built in supply of fertilizer. Adding more will cause an overdose.

Sick plants don't need fertilizer. That's a death sentence as they try to live up to the expectations of all that food and over extend themselves.

I see a watering problem. How are you watering? Are you checking what's happening below the soil surface? You can do it with a bamboo skewer (or your pencil Smiling ). Poke the skewer into the soil to the bottom of the pot. Leave it for a minute and pull it out. Is it damp or dry?

Selloum like constantly damp soil so you may be underwatering. You mixed a very fast draining fast drying soil (I use that same mix for my cactus) and its in a terra cotta pot. Drying will take place at all levels of the soil. But, before you start watering more, check soil moisture levels with your skewer.

Virginia is humid enough, you shouldn't have to move your plant back and forth every day.
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: John
Hollywood, FL (Zone 10b)
serious plant addiction!
Herbs Cut Flowers Critters Allowed Cottage Gardener Composter Clematis
Canning and food preservation Brugmansias Bookworm Bluebonnets Beekeeper Bee Lover
Image
John2468
Nov 15, 2020 3:52 PM CST
DaisyI said:DO NOT FERTILIZE!

For two reasons:

Miracle Gro soil comes with a 6 month built in supply of fertilizer. Adding more will cause an overdose.

Sick plants don't need fertilizer. That's a death sentence as they try to live up to the expectations of all that food and over extend themselves.

I see a watering problem. How are you watering? Are you checking what's happening below the soil surface? You can do it with a bamboo skewer (or your pencil Smiling ). Poke the skewer into the soil to the bottom of the pot. Leave it for a minute and pull it out. Is it damp or dry?

Selloum like constantly damp soil so you may be underwatering. You mixed a very fast draining fast drying soil (I use that same mix for my cactus) and its in a terra cotta pot. Drying will take place at all levels of the soil. But, before you start watering more, check soil moisture levels with your skewer.

Virginia is humid enough, you shouldn't have to move your plant back and forth every day.

After the 6 months!
:)
[Last edited by John2468 - Nov 15, 2020 3:52 PM (+)]
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Name: Daisy I
Reno, Nv (Zone 6b)
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DaisyI
Nov 15, 2020 3:57 PM CST
Wrightbl5 said:ok! yeah the soil was staying wet that's when I added the pearlite, ill try less water and getting it some nutrients as John said, thank you guys! If you have any other suggestions please let me know.


How long ago did you repot and add more perlite? If you desturbed the roots too much, it could be in shock.

Check soil moisture to know when to water.

Lin, we had them in our yard growing up too. I was surprised the first time I saw one as a houseplant. They grow to monsterous sizes!

PS: I don't fertilize my house plants at all. If they start looking like they need something, I either fertilize or repot, depending upon when the last repot was. That could years.
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

President: Orchid Society of Northern Nevada
Webmaster: osnnv.org
[Last edited by DaisyI - Nov 15, 2020 4:00 PM (+)]
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VA
Foliage Fan
BriLyn5
Nov 15, 2020 3:59 PM CST
it was potted originally in the cactus mix then it was packing really tight and not draining well at all...when I started seeing yellow leaves I took it out and looked at the roots and cut off the brown ones and repotted in the new mixture and been trying to keep the soil damp like you said its really well-draining so that's why I've been watering it every few days. Should I be watering more or less? I'm not sure how to tell if it's too often or not enough.
Name: John
Hollywood, FL (Zone 10b)
serious plant addiction!
Herbs Cut Flowers Critters Allowed Cottage Gardener Composter Clematis
Canning and food preservation Brugmansias Bookworm Bluebonnets Beekeeper Bee Lover
Image
John2468
Nov 15, 2020 3:59 PM CST
Only cut off roots if it's mushy and brown
:)
VA
Foliage Fan
BriLyn5
Nov 15, 2020 4:00 PM CST
I repotted last week! :)
VA
Foliage Fan
BriLyn5
Nov 15, 2020 4:01 PM CST
yeah i cut off the mushy brown ones(there was minimal)
Name: Daisy I
Reno, Nv (Zone 6b)
Not all who wander are lost
Garden Sages Plant Identifier
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DaisyI
Nov 15, 2020 4:15 PM CST
BriLyn5 said:Should I be watering more or less? I'm not sure how to tell if it's too often or not enough.


Use the skewer to check moisture.

A repot is a major traumatic experience for a plant. Cutting roots adds to the stress. It may only need time to readjust.

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

President: Orchid Society of Northern Nevada
Webmaster: osnnv.org
[Last edited by DaisyI - Nov 15, 2020 4:17 PM (+)]
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