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lmecheverri

Succulents white thing?

6 years ago

hello i just noticed something white on my succulents. what is it? what should i do? if fungi can this move to my other succulents? pls help.

Comments (14)

  • 6 years ago
    last modified: 6 years ago

    Oh no the dreaded mealybug!

    These are suckers and suck the juices/life out of your plants. First thing is to keep away from all other plants. They can spread by themselves and with the help of ants. Ants farm them because they drink the mealybugs ”nectar“ aka pee. I guess it’s sweet🤮.

    I use rubbing alcohol and spray the plant, along with manually picking them off. You can also use Neem oil, but I don’t because I can’t stand the way it smells. If you do use a spray of some sort, including rubbing alcohol, keep out of any direct sin because the leaves will burn.

    I can’t speak about Neem oil , but rubbing alcohol you will have do treat the plant a few times because you will always miss one, and the bugs are all at different life stages. Pay attention to the little nooks and crannies of the plant because that’s where the like to hide. Once you notice they’re gone repot your Jade in new mix/soil and a clean pot.

    As time goes by be proactive and check for them periodically so you don’t get a crazy outbreak. It’s always a really good idea to quarantine any new plants before putting with your other plants.

    Goodluck!

  • 6 years ago

    It has mealy bugs. Don’t panic. Everyone who grows succulents has to deal with these from time to time. Yes, they could spread to your other plants, so I would quarantine this plant, wash your hands and then check your other plants over for signs of them. Sometimes you’ll find them on several plants and sometimes they just seem to want to stick to one. Just keep vigilant.


    To treat, spray the entire plant top to bottom with 70% isopropyl alcohol. The bugs will turn brown in contact with the alcohol. Keep the plant out of the sun for a day to let it dry. I’d spray it once a week for 3 weeks to be sure it’s clean, then keep a close eye on it going forwards.

  • 6 years ago

    Looks like we all answered at the same time!

  • 6 years ago

    will white vinager do the same as alcohol?

  • 6 years ago

    I don’t know. I’ve never tried vinegar. I’ve only ever used alcohol.

  • 6 years ago
    last modified: 6 years ago

    Never tried vinegar, only read that you need lots of it to kill mealies. If you want to try, I would test it on part of plant to make sure it doesn't harm it.

    Rubbing alcohol actually dissolves white protective coating on direct contact. Orange or brownish you see is the actual bug, and it dies.

    Other sprays recommended are neem oil and ready-made sprays available in stores that indicate on label it will kill mealies.

    There are other home-made concoctions, but many recommend dish soap - detergent, which is not so good for plants. And, usually few ingredients - rubbing alcohol could be used from the bottle you get it in :)

    Fastest and least expensive in my experience seems to be rubbing alcohol...but maybe it is hard to get now because of the virus? Use 70% or stronger. There are some recommendations to dilute it, but I use 99% without any problems. Your infestation is quite large, and should be dealt with asap so it doesn't get out of hand. Spraying would be best when there are many. Check outside/bottom of pot too to make sure there aren't any hiding there. If they keep coming back after several treatments, removing and replacing at least 1" of soil (top) may help - that is where eggs are.

  • 6 years ago

    is it safento spray alcohol to the soil as well? i am surprised spraying alcohol all over the palnt wont cause any harm

  • 6 years ago

    *"safe to"

  • 6 years ago

    so i dont have to wash the plant after? i just leave the alchohol dry out with no wash?

  • 6 years ago

    Right. Spray it all over and let the alcohol air dry. Just be sure to keep the plant out of direct sun until dry.

    This is a tried & true method, but any time you’re nervous about using something for the first time, you can convince yourself it’s OK by treating just one leaf to test it. Give it 24 hours and you’ll see the leaf is fine, so you’ll feel better about using it on the whole plant. But I can tell you that I routinely douse plants in alcohol whenever I see these guys (and I always end up finding them on at least a couple plants every year) and have never had a problem.

  • 6 years ago
    last modified: 6 years ago

    Yes, just spray and let it dry. Washing it will defeat the purpose. And yes, you can spray soil. Or, you can use soil drench made from hydrogen peroxide diluting it with water in 1:4 ratio (HP to water). It will kill the larvae.

    Keep plant out of sunlight when spraying with anything.

  • 6 years ago

    No to vinegar! It can be used as an herbicide.

  • 6 years ago

    Yes, I’ve had some success spraying weeds with vinegar.

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