Misc

Pests, diseases and problems

Share your own experiences with plant pests and diseases, and gain valuable insights from others on how to prevent and treat these common problems.

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Luke

Recently reported an extremely root bound monstera - bought from a grad student who had never repotted it - and its older leaves are yellowing. I used a reasonably well draining mix and added more perlite for good measure. Someone tell me this is just stress and it will recover?

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Plant

Hi! What are these white feathery things on my soil? My Kalanchoe succulent started dying recently but I am not sure why.

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Grizzly

I am extremely new to plants. A couple of days ago I bought some plants and did not check for pests beforehand. How f**ked am I? Are these definitely spider mites?

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Mary A.

Help! Mealy bugs are on my Hoyas. So far I’ve used neem oil and water, dish soap, & rubbing alcohol in a spray bottle and I just keep finding them. Any recommendations?

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Tay

I feel insane rn I found thrips on a new plant I got (from a ‘pest-free’ plant swap :) ) they were cuttings of a philodendron red emerald, found 20 yellow larvae and a discord group confirmed were thrips. Cut all of the cuttings and put them in a closed jar and sprayed the other two plants I was quarantining in the same room. Ive dealt with thrips before so I know the drill— I didn’t see much damage on the plants and don’t see any concerning things on any of the other plants, no spots or yellowing JUST saw the larvae. Obviously im keeping them in the quarantine space for longer now, but what do you guys think as a prognosis? Also what stage of life are these guys in? I’ve had these plants for two weeks. Im hoping this was isolated and I saved my ass from another nightmare.

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SproutBabe

What are these brown spots? I bought this plant and they were already there but I feel like more are popping up? I also found this spot that looks as if it was eaten away (see second photo for reference). Thank you!

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Mela430

Hello! My Chinese money plant has been doing so amazingly ever since I got it a couple months ago, but if you look at one of the bottom leaves in the right picture, it has turned completely yellow and developed brown spots! What does this mean? This plant is always in my bedroom window and hasn’t seemed to have a problem, but is it too much sun? Should I remove the leaf? The soil seems to have some discoloration. There are NO pests of any kind, I make sure to water it whenever the top couple inches of soil is dry. The other left picture is the full plant, other leaves for comparison. Thank you!

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Jodie

Hi! I have a string of pearls plant, I watered it about 2 maybe 3 weeks ago, and it’s started looking like this ? Not sure why as it hadn’t been watered before. Some of the pearls have gone squishy and really gross. Help please 😭

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Cindy Asby

What are these hard white spots on my elephant bush?

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Rhaine

Should I water this cactus plant? I watered it about two weeks ago. Planta says to water it in 17 days.

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Rhaine

Should I pick these brown things off? I already picked about three off should I pick them all off? Its a corn plant

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𐌛★ⵍ!𐌂

Update on the the Cordyline… this worm thing came out of if… it looks like a centipede? Could this be whats causing the leafs to look splotchy? What should I do?? I don’t know if theres more either!

Azin

Heyy, I go t a majesty palm 3 months ago it was replanted in a big 50 cm planter. It didn’t have a drainage at first and we opened it up a few days ago. Ever since we got the plant the branches one by one started getting yellow first then turned brown and crispy. It has already happened to 4 branches so far :(. Don’t know what to do. It didn’t have any direct sunlight. Only indirect as I was told. And I watered it every week. The thing is I dont know how much water it needs and how often. And WHY the leaves are turning yellow and brown?

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𐌛★ⵍ!𐌂

Any ideas whats wrong with this corn plant? Please help! Thanks

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Richard

This is really gross! There are loads of tiny bugs on my fern plant and I don’t know how to get rid of them. Any ideas?

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Dean

Hello, I have some dust and dead leaves on my Ficus Elastica, how can I prevent this or what can I do to clean the dust from the leaves without hurting the plant? Please help if you have any suggestions 🙏🏼🙂

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Vicky

I was misting my ZZ Plant last night and all these tiny black bugs started appearing the outside of the pot from nowhere. I’ve had this plant for almost a year and it’s been in this pot and the same soil for months. I’ve never had any issues. I did have gnats flying around my plants during the summer and used sticky traps. I feel these may be babies but I’m not sure what these are, please help.

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Dawn

Does anyone who what is wrong with my plant? I am so upset purchased two weeks ago. Healthy and now curly leaves brown leaves. Ugh i love this prayer plant. What can I do?

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Mjhub325

My fishbone cacti don’t look too happy, they’ve been looking like this for quite a while. I’ve been following the planta custom schedule to the letter, what am I doing wrong?

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Lindsay in PA

Problem: I have 4 hanging plants and none have drainage holes. They are actually all doing well but I have done enough reading to know they should have adequate drainage. If I put a hole in the bottoms, water is going to pour out. I was thinking of putting stones in the bottom to let excess water catch below the medium, but I’m now reading that is unhelpful. What type of bases are on your hanging pots? Thanks in advance!