Cheese Plant developing brown patches with yellow rings

louventurini

Got this plant maybe a month ago now and it started developing these patches relatively early on and started spreading to other leaves. I sprayed it with fungicide thinking it could be leaf spot but I'm not sure if that's going to do anything. It looked perfectly healthy when I originally got it.

Dovefromabove

Most problems with these are due to either under of over watering. Have a feel of the compost and see which you think if may be. 

Keep it away from radiators and bright sunshine and mist with tepid soft water once or twice a week. 

louventurini

How would I tell if I'm over watering it? thanks for the reply

Dovefromabove

Allow the surface of the compost to dry out between waterings  - stick your finger into the soil to the first joint - water when the top is dry and your finger tip touches damp soil. 

Water then allow excess to drain away. Don't keep it standing in water.

louventurini

Weird.. pretty sure that's what I've been doing the whole time. Guess we'll see what happens

Dovefromabove

Well, maybe it's not a watering issue - but I've never come across any other real problems with Monsteras ... perhaps someone else will have an idea.

Are you misting as I suggested?  Central heating can really dry the atmosphere.

KKWT

Hi, I am having the same issue with my Cheese Plant. Did you manage to find a solution to this?? Thanks.

a.martin.smith

I have the same problem, and am thinking it could be due to the hardness of the water I'm using to mist it (I'm in London). Looking at your picture, you have the same hard water stain at the bottom of the leaf that I get.

I might try not misting for a while and see what happens.

Other causes could be dry air, or maybe too strong fertiliser ?

JennyJ

Is it just that one leaf, or just the newer leaves, or all of them? What I can see of the leaves below that one look OK.  I wonder if the new/upper leaves got some damage when you were bringing it home, that's only showing up now that they're developed more (maybe brushing against something, or being in a hot car in strong sunlight)?