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Coffee Plant Troubles (lemmy.world)

submitted 3 months ago* (last edited 3 months ago) by [email protected] to c/[email protected]

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So, my mom in law left me all of her plants while she travels abroad for the next month and told me her coffee plant has been looking a little sickly and she can’t figure out why. I know absolutely nothing about this plant, but thought I would try and help heal it for her if I can while she’s away. Does anyone know what could be causing the leafs to brown? The newer leafs on top are growing fast and healthy, and the soil feels good and doesn’t have any signs of rot or infection. It’s also not in any kind of harsh light or in a dark corner, and it’s in a place where the humidity is slightly higher than the rest of the house, but not a significant amount. I’ve had it for a week now, but I can’t seem to make the lower leafs happy.

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[–] [email protected] 4 points 3 months ago

Some extra pictures

[–] [email protected] 2 points 3 months ago (1 children)

What's the watering like? Does it keep happening to other leaves?

[–] [email protected] 1 points 3 months ago (1 children)

I believe she waters 1/2 cup every five days? She uses an app that tells her when to water things. It doesn’t appear to be spreading to other leafs, but it might be growing slowly onto the leafs that are already bothered. I just got it a week ago and haven’t noticed to rapid of a spread among the already infected leafs.

[–] [email protected] 4 points 3 months ago (1 children)

That could still be too much or too little depending on soil and air conditions. A quick Google says they like slightly moist soil. If it's soggy, that's too much water. If they dry out, that's too dry. (Too dry is easier to recover from, but from appearances, it's probably too much rather than too little water.)

If it had plenty of other growth, I'd say you could remove those leaves, but it's not really big enough for that.

I don't think it's actually an infection. The only other possibility would be unsuitable soil conditions. I assume at some point it was repotted with fresh fertilized potting mix, and wasn't over-fertilized, though that could also cause what you're seeing.