Houseplants forum→Scale on 2 out of shipment of 5 plants

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Name: Bria
Northern VA (Zone 7a)
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Bschmuck
Mar 18, 2021 3:05 PM CST
Hi friends!
I mail-ordered a grab-bag of 5 aroid rooted cuttings from a nursery. Today I noticed scale on the Syngonium. I'm panicking cause I have never had this on any of my houseplants. I scraped off what I could see and wiped the few stems and leaves with alcohol.

Now, I'm obsessively searching the 4 other plants that came with it. I THINK I found one on the Chinese Evergreen. The Colocasia 'Black Sapphire' has what appears to be red bumps on the underside of leaves where there is damage, but I'm not sure if this is sap?

How does scale get on plants? Did this arrive with the plants? Should I be mad? Or is this just an agreement you make when you welcome living plants into your home?

Thanks for taking a look and offering your advice!




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Name: Lin Vosbury
Sebastian, Florida (Zone 10a)

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plantladylin
Mar 18, 2021 5:14 PM CST
That's definitely scale insect on the leaf petiole in photo #1. I can't tell for sure what it is on the leaf in photo #3, whether scale insects or something else. Did it not come off when you wiped the leaf with alcohol?

Here's an older on site article about scale insects: https://garden.org/learn/artic...

There's a good article about different types of scale insects that attack indoor plants on this page: https://extension.umd.edu/hgic...
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[Last edited by plantladylin - Mar 22, 2021 3:03 PM (+)]
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Name: Sally
central Maryland
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sallyg
Mar 22, 2021 2:28 PM CST
I'm worried about the dusty look to the Colocasia leaf. Mites?
i'm pretty OK today, how are you? ;^)
Name: Bria
Northern VA (Zone 7a)
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Bschmuck
Mar 22, 2021 2:50 PM CST
@Sallyg the colocasia is like velvety. And my house is really dirty. 😆

@plantladylin yes the scale came off with my fingernail then I wiped with alcohol over the remainder of the plant in case there was anything microscopic. Thanks for the articles!
Name: Gina
Florida (Zone 9a)
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Gina1960
Mar 22, 2021 3:03 PM CST
Is this a licensed nursery? Or someone just selling plants?
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Name: Karen
New Mexico (Zone 7b)
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plantmanager
Mar 22, 2021 3:36 PM CST
I was wondering the same thing! If it's a nursery, please let them know so they can take care of it.
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Name: Bria
Northern VA (Zone 7a)
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Bschmuck
Mar 22, 2021 3:54 PM CST
@Gina1960 Thanks for your question. It's a legitimate nursery. Reputable, and found in the Greenpages.

The plants all arrived with cold damage as they were shipped when it was freezing, even though their website indicates you could wait for several weeks before they ship your plants due to weather. I removed almost all the leaves, then the first leaf to grow from the syngonium was deformed and that's the one that had the scale.
Name: Gina
Florida (Zone 9a)
Tropical plant collector 38 years
Region: Florida Tropicals Aroids
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Gina1960
Mar 22, 2021 4:31 PM CST
You should let them know. Its kind of illegal to send out plants with visible pests. They need to treat their stock.
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