Calathea/peacock plant pale leaves

katsols(7b)March 12, 2013

I have a recently new calathea plant and the leaves are beautiful dark green with bold markings. But the new leaves that it has been growing out are a lot paler and they don't darken with time.
I give it bright but indirect light, north window and i fertilize them weekly weakly with all purpose.
What could it be?

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tropicbreezent

Do you have photos? Is that all the leaves since you got the plant? And what sort of time scale are you speaking about?

    Bookmark   March 14, 2013 at 3:41AM
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FrugalFanny(4)

katsols, I'm having a similar issue with my marantas...not sure what's going on. I read up on it and thought it seemed like a nutrient problem, but with a little more frequent fertilizing, they're still having issues...good luck! I'll be checking back to say what people think it may be so I can learn something too!

FF

    Bookmark   March 14, 2013 at 2:39PM
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katsols(7b)

Sorry for late reply, i thought no one did and thank you.
Here is a photograph.
A comparison, darker leaf, one of the leaves it originally had when arrived and the pale one which are the new leaves that it grew out. And what do you mean by time scale? how long ago i got it?

    Bookmark   March 18, 2013 at 6:00PM
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Tiffany, purpleinopp GardenWeb, Z8b Opp, AL

I'm not sure that's enough light. That's not the same Cal I have but mine spent the winter in an east window, getting direct sun all morning. Weekly sounds extremely often for fertilizing, but I'm not much of a fertilizer user, at best I do it sporadically during summer.

Love the pink spots on the older leaf! That's a beautiful plant.

    Bookmark   March 19, 2013 at 9:23AM
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katsols(7b)

ok i'll try giving it more light, thank you =] i thought it was the opposite pale because too much light form my grow light.

    Bookmark   March 20, 2013 at 5:06PM
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jostus(7)

The new leaves are usually light in color and darken as they mature.

    Bookmark   March 21, 2013 at 1:05AM
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tropicbreezent

That's what I was wondering too, whether it just needed a bit more time to darken up. Hence the question about time scale, what length of time this had happened over. Your leaf does look a bit too yellow, don't know if that's the camera, or the plant. This is a photo of a new and old leaf (looks to be the same Calathea as yours) of mine that I took tonight.

    Bookmark   March 21, 2013 at 10:47AM
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birdsnblooms

Katsols,

Although you're fertilizing with a weak solution, why every week? I
Are you using chemical or organic fertilizer?

Calatheas are basically slow-growers, therefore, even at half-strength, 'particularly, this early in the season,' (might) cause leaves to yellow.
Morso, since your Calathea is set before a north window.
Purple mentioned eastern exposure. She's correct. Eastern sun is bright, but not harsh enough to burn fragile, Calathea leaves.

Over-watering also causes leaves to yellow. Do you water on a certain day or wait until soil dries, a bit, between drinks?

Bringing a Calthea home after living in THE perfect atmosphere, 'light, temp, humidity,' can cause a few leaves to yellow. Eventually, they adapt to our homes.

The older, darker leaf is very, very pretty.
Gotta love Calatheas.

Tropic, your Cal is a beautiful specimen! Toni

    Bookmark   March 21, 2013 at 12:26PM
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