Ask a Question forum→Rubber Tree Question

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New York
newplanternyc
May 12, 2020 7:47 AM CST
Hi all,

I've had my rubber tree plant for about two years and there is so much new growth! He seems very happy but also some of the leaves have a powdery coloring - note there's not a powder on them. There is still new growth happening near them but wondering what's going on? Also some of the new leaves are coming out reddish vs green - is this normal? See pictures. Would love any intel on how to keep him growing healthy and strong! Thank you so much!!



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Name: Will Creed
NYC
Prof. plant consultant & educator
Image
WillC
May 12, 2020 7:58 AM CST
Does that discoloration wipe off? Are you finding any dust-like particles underneath the affected leaves?

When was it last repotted? When you did, abouit how much of the original soil did you remove? Did you put drainage material in the bottom of the new pot?

How do you decide when to water and how much do you give it?
Will Creed
Horticultural Help, NYC
www.HorticulturalHelp.com
Contact me directly at [email protected]
I now have a book available on indoor plant care
New York
newplanternyc
May 12, 2020 8:02 AM CST
The discoloration does not wipe off. The affected leaves are thinner than those that aren't affected, but not seeing any dust-like particles.

I haven't replanted it since I got it - there is bark and rocks at the bottom of the pot.

In the winter I would water it every 2-3 weeks and now its closer to every 10 days, depending on when I stick my finger in the soil if it comes up dry or still wet.

Could it be pests? When I water it I sometimes see little gnats in the soil - but haven't seen them on the leaves.
Name: Will Creed
NYC
Prof. plant consultant & educator
Image
WillC
May 12, 2020 8:21 AM CST
The leaf discoloration is very odd. I inquired about its wiping off and dust underneath the leaves because I thought it might be a pest problem. Fungus gnats may feed on decaying roots, but not on the leaves.

When did you first notice the discoloration and was it on older or newer leaves? How rapidly has it been spreading or has it stopped spreading?

Was the plant ever exposed to any foreign substances on its leaves or to any temperature extremes or direct sunlight? Can you think of any changes in its environment that might have ocurred?
Will Creed
Horticultural Help, NYC
www.HorticulturalHelp.com
Contact me directly at [email protected]
I now have a book available on indoor plant care
Name: Lin Vosbury
Sebastian, Florida (Zone 10a)

Region: United States of America Deer Region: Florida Charter ATP Member Million Pollinator Garden Challenge I was one of the first 300 contributors to the plant database!
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plantladylin
May 12, 2020 8:26 AM CST
To me, it looks like your Rubber Plant (Ficus elastica) has an issue with powdery mildew which can be present in wet soil with decaying plant material and poor air circulation.
~ I'm an old gal who still loves playing in the dirt!
~ Playing in the dirt is my therapy ... and I'm in therapy a lot!


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