Ask a Question forum: Brown puffy dots on plants

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Pennsylvania
Grackery
Mar 6, 2018 8:59 AM CST
I sprayed on insecticide soap as recommend. But they still keep coming back. I used a lot and sprayed it a few times really well. Is there anything else I can do?
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Name: Daisy I
Reno, Nv (Zone 6b)
Not all who wander are lost
Garden Sages Plant Identifier
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DaisyI
Mar 6, 2018 10:38 AM CST
Scrape off a scale insect and check to see if its alive (it will be dry if dead and squishy if alive). Scale is harder to control with insecticidal soap because they live under little waxy domes. If there are just a few, you might be better off taking them off with a q-tip soaked in alcohol. If the insecticidal soap is killing the scale but they keep coming back, it means you haven't gotten them all yet.
Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and proclaiming...."WOW What a Ride!!" -Mark Frost

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Pennsylvania
Grackery
Mar 6, 2018 11:31 AM CST
Thank you. There is a lot, but I'll try with alcohol.
Name: Daisy I
Reno, Nv (Zone 6b)
Not all who wander are lost
Garden Sages Plant Identifier
Image
DaisyI
Mar 6, 2018 11:41 AM CST
You can spray the plant thoroughly with alcohol and wash it off with your sink sprayer. Don't leave the alcohol on for long though, just long enough to spray the plant.
Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and proclaiming...."WOW What a Ride!!" -Mark Frost

Webmaster: osnnv.org
Name: Will Creed
NYC
Professional indoor plant consultan
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WillC
Mar 6, 2018 2:55 PM CST
Scale is hard to eradicate on Spider Plants because there are so many leaves and crevices where the juveniles can hide. Pay particular attention to the areas where leaves join together and form hiding places.

It is possible that the scale insects are dead, but their hard shell carcasses remain. Wiping them away is the only way to be sure, but that is very difficult to do without creasing the leaves. If you are not finding any stickiness on the leaves, then that may mean the live scale insects are gone.

A mixture of dilute alcohol and liquid dish soap works best. The alcohol will penetrate the hard outer shell and the soap will help it spread over the entire plant. Being really thorough is the key and that is hard to do using just a Q-tip.
Will Creed
Horticultural Help, NYC
www.HorticulturalHelp.com
I now have a book available on indoor plant care
Pennsylvania
Grackery
Mar 13, 2018 9:35 AM CST
Thank you for all the suggestions.
I will try them.

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