Pests, diseases and problemsに戻る

My calathea is looking very sad…splotchy discoloration on many leafs,… | Pests, diseases and problems | Plantaコミュニティ

Erin

My calathea is looking very sad…splotchy discoloration on many leafs, and some leaves are browning/drying up around the edges. I also just found these white flecks all over the back of the leaves. Pest? Context: It sits in a terracotta pot on a south facing window sill, and I water per the app’s suggested schedule.

2件中1件目の添付ファイル2件中2件目の添付ファイル
5件のいいね 19件のコメント

19件のコメント

  1. Plantgirly

    Give her more humidity! Mine was like this until I put a dish with pebbles underneath her and filled it with water! I also have quite a few humidifiers in my room! These plants like consistent temperatures, and lots of humidity

    2件のいいね
    • Erin

      Do you think this is ok for humidity? Marbles and water at the bottom of the decorative pot.

      2件中1件目の添付ファイル2件中2件目の添付ファイル
      0件のいいね
  2. Plantgirly

    Oof just kidding! After seeing that second picture, I think it’s definitely probably some sort of bug issue! My eyes aren’t that great so I can’t really tell what it is, but I’m thinking either spider mites or thripes. I would get an insecticide and start watering with that regularly. I would also wash the leaves off with soapy water and a little bit of rubbing alcohol. Make sure none of it gets in the pot. After that Continue watering with the insecticide!

    3件のいいね
    • Plantgirly

      But I’d also definitely increase the humidity :)) spider mites hate humidity

      2件のいいね
    • Erin

      Thanks

      0件のいいね
  3. KJM

    I think spider mites. You want to get a miticide not a regular insecticide. Neem or All seasons oil can be effective also but it takes a longer time since it's not a contact killer. And I agree humidity is a big factor and the type of water that you use they are very sensitive to chemicals in tap water so use rainwater or filtered water or distilled water instead.

    4件のいいね
    • Erin

      Thanks

      0件のいいね
  4. Erin

    Ok I gave the leaves a rub with soapy water, rinsed them with rubbing alcohol, and then cleaned up the roots and repotted in fresh soil into a smaller pot. I will get some miticide and distilled water soon for watering. Fingers crossed

    2件中1件目の添付ファイル2件中2件目の添付ファイル
    4件のいいね
    • Plantgirly

      She’s looking a million times better already

      3件のいいね
    • Erin

      🥲 ty

      0件のいいね
  5. Sunny

    Spider mites have fine webbing. Thrips don’t weave webs. Both suck the sap out of the plant leaving those white patches. Neem oil and insecticidal soap are good to help eradicate these pests. Wear gloves. Disinfect hands, tools shelves to avoid spreading the pests. Isolate the plant. 🍀🪴

    いいね 1件
    • Erin

      Whatever the pest was, hopefully my cleaning efforts earlier did the trick.

      2件のいいね
  6. c.cat

    small bugs like these will get in all the small crevices - the miticide will def help, but just make sure to keep an eye out for any more buggers. good luck!!

    2件のいいね
  7. Katelyn

    I wouldn’t recommend a calathea in a terracotta pot. They need to retain a lot more moisture. And that looks like thrips to me. I would quarantine and treat with insecticidal soap and make sure to check your other plant babies. Best of luck!

    いいね 1件
    • Erin

      I repotted it into a plastic pot w drainage holes, thanks

      0件のいいね
  8. MicAZ

    My Beauty Star was the same! Spider mites 😩 I’ve been treating with Neem oil and we’re doing better now. Fingers crossed!

    いいね 1件
  9. Plantgirly

    if the bottom of the pot isn’t covered, then it can mold the bottom out because it’s getting too much moisture you want the moisture to go to just the leaves

    1件中1件目の添付ファイル
    0件のいいね
    • Erin

      I’m not following the first sentence…But I think you’re saying the roots/soil should not be kept moist, while the leaves should be kept moist. I will see if my setup has any visible good/bad impact…

      0件のいいね
    • Erin

      Oh I think I see now. You have the plant sitting on a dry surface, and that is sitting on top of water/pebbles?

      0件のいいね