Black Spots on My Orchid Leaf: Should I be Worried?

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Black spots on orchid leaves could mean one of three things:
(1) the orchid was bruised during transport or handling,
(2) the leaves have had access to more sunlight then they require, or
(3) bacteria has infected the leaf.
Since the first two reasons are fairly easy to resolve and there’s no need to panic, this video will focus on the bacterial infection. But as a guide, brown spots can occur during rough handling, and the leaves bruised. They will recover in a month’s time. As for sunlight, move the orchid away from direct sun.
Black spots on orchid leaves are a direct result of a bacterial infection caused by Acidovorax (syn. Pseudomonas), known as Bacterial Brown Spot. The spots start off as brown smudges, minuscule in size and appear waterlogged. When pressed, the leaf will ooze sappy liquid.This initial stage could be mistaken with overwatering, since the leaves can’t eliminate the excess water faster than the roots can absorb it. Water will cause blisters on the leaf, which eventually turn brownish-black.
Contrary to overwatering, with Bacterial Brown Spot, the infection will appear a nasty green color, slowly fading to yellow circle-like halo around the spot, then black.Black is the final stage, when the blister sinks down into the leaf, leaving an “open pond”, or whole.
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DISCLAIMER:
This RU-vid Channel is the by-product of extensive research on how to recreate that environment inside my home.
By no means do I consider myself an expert but I'm an avid learner and willing to share the little I know with others. There are thousands of different ways to care for orchids, and the more we share, the more we learn.
What started out as a hobby has now grown into a passion, producing an online resource of quality information on how to connect with nature.
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Опубликовано:

26 мар 2021

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Комментарии : 80

@Kobisashi Год назад

I purchased this plant already infected. It was on sale and thought it was just cold burn. Luckily, I kept it away from other orchids! When I realized it was an infection, I threw out leaves & flowers. I'm trying to start new plants with flower spikes. Also, since lots of the roots were good, I'm trying to grow new leaves from the base of the stem by the roots. I just ordered your Orchid record book so I can keep records of my experiences.

@pennyjolly 3 года назад

"This is contagious"😭 oh no I've just wipes over all my orchids with the same cloth lesson learned defo gonna take your advice thank you! Subbed

@Jay_bee.23 День назад

Thank you so much for this video! I have a few orchids & one has a huge dark spot that keeps growing larger...but it also has white spots. Now I know from this video that my orchid has a fungal issue. You just gained a subscriber.

@loribadgero1035 Год назад

Amanda, do you recommend an automatic Physan 20 treatment to any orchid once you bring it into your home?

@michelleroberts4468 2 года назад

Hello! You should be a professional teacher!! I've read your blogs, website, and now the videos. Love the way you get straight to the point and explain in a manner that everyone can understand! I REALLY appreciate this, as I am not computer literate so I now just go straight to your information for everything orchids! I am a newbie, so THANK YOU, I'm sure anything you think important enough, you will post. LOTS of Anything and Everything!

@abdulhalimalahmad3503 3 года назад

Hi Amanda, Thank you for useful info. I had a case with on of my orchids. I bought a new phalaenopsis. I was so happy that I have a plant with 5 flower spikes. I was so excited about it. I left it a side and kept it in the plastic wrap to avoid any temp shock. After 3 days, I noticed a black spot on one of the leave. When I removed the plastic, I found one pod trapped between 2 leaves. Bacteria start to grow on both of them. I use H2O2 to treat it but for some reason it did not work for me. Finally, I had to cut the infected part and used cinnamon.

@jillsmith423 2 года назад

Thank you for your response so fast. Thank you for helping me 😊

@josealfonsx

Wow very good video! You’re very knowledgeable

@lucasroman6510 Год назад

I picked an infected plant on sale to save it, it had a cut leave and a lot of the white dust bugs, I cleaned it and disinfected it, after a while my orchid starter to grow really healthy it's leaves went from droopy to stiff and it grew a new leave but now I see a big brownish to black spot with dead tissue at the middle

@yogablossom100

I got brow spots on the flower and dark line on side of leaves. Is this also Bacterial related? I heard someone say to add a bit of cayenne pepper on water. Is this a possible treatment too?

@alixshores4118

I bought an orchid as a rescue and I thought it was just a little bruising, I think my orchid has a bacterial infection:( none of my other plants are showing signs of infection wondering if neem would also work? I will be doing hydrogen peroxide for now! Thank you for such an informative video! The browning isn’t to bad just on one spot but it does seem to be spreading

@fungames24

I can see the orchid with white flower on the left of the video showing black near the stem, surrounded by yellow. I think I have something similar developing on the leaves below the top most pair. Is this normal, or rot?

@munchiis2486 2 года назад

I tied my orchid to the avocado tree I have, last year. It was dying inside so I gave it the black tea treatment, which helped the roots come back to being green. I tied it to the trunk but I think it was too tied. I did see some growth of new leaves on that sick orchid but that was it. The baby one I bought hasn't done anything but it's still alive. Now recently I've seen bite marks on the leaf from the previously sick orchid. I've pretty much left nature take care of it cause I pretty much gave up. I live in Florida and it's hot, but rains every day during this summer. I've tried to growing plants but everything dies on me, so I think the orchids I have have a slight better chance of survival outside.

@veronicarivera7761 2 года назад

My orchid stem/crown has dark spots. What is happening to it? One leaf is drooping, the others are healthy.

@snoopyxoxoxoable

How do I stop the spread to other orchids, i dunked all of my plants🤦. I noticed at the very end

@magdalens824 14 дней назад

Mine has started from the tip of the leaf and it's black and dried up and then the leaf is yellowish brown and then has brown spots on it. Please help

@carolesykes7955 3 года назад

Hi Amanda. I recently watched your video on hydrogen peroxide burning roots etc but here you recommend using it on the everything including the roots. Is that just because it such a severe case?

@inalincoln1912 3 года назад

My Orchid is blooming and looking pretty however every leave on it has brown spots but there are not on top of the leave but all are underneath the leaves. Is that Bacterial Brown spots too?

@drippinghazel Год назад

Hi Amanda. I really appreciate your videos. Recently I sprayed some of my plants, including some orchids, with a neem oil and castile soap mixture. The next day i noticed huge black spots on several of the leaves of multiple orchid plants. My plants live outside (southwest Florida). I'm not sure if the neem oil + new sunshine burned the leaves (a massive tree was cut down so my back yard is now much more sunny than it was a week ago,) or if they're suffering from something else. Do I cut these leaves off or just keep them in a shady area?