Ask a Question forum→Hoya Linearis Mealybug Infestation?

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London
MrBrown808
May 24, 2020 3:52 AM CST
Hi

My Hoya is looking unhealthy and seems to have what looks like a Mealybug Infestation. It's the first time I have had any experience with pests, so am a bit in the dark. Could someone confirm that it is, and if so, what the best way to organically treat the plant would be?

Thank you in advance.

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Name: Anna Z.
Monroe, WI
Charter ATP Member Greenhouse Cat Lover Raises cows Region: Wisconsin
Image
AnnaZ
May 24, 2020 4:08 AM CST
My hoya was a mealybug buffet. I sprayed with straight alcohol. Had to do it more than once but it took care of them.
London
MrBrown808
May 24, 2020 4:18 AM CST
AnnaZ said:My hoya was a mealybug buffet. I sprayed with straight alcohol. Had to do it more than once but it took care of them.



Ok, thank you for the tip. I will get it sorted asap.
Name: Anna Z.
Monroe, WI
Charter ATP Member Greenhouse Cat Lover Raises cows Region: Wisconsin
Image
AnnaZ
May 24, 2020 6:18 AM CST
I never took to the "use rubbing alcohol diluted with water and touch each mealybug with a Q-tip dipped in it". Jeez, who has time for THAT, unless you only have 2???? Put the sprayer on the bottle and spray away.
Name: Will Creed
NYC
Prof. plant consultant & educator
Image
WillC
May 24, 2020 9:00 AM CST
It looks like your plant has a much more serious problem than mealybugs. The dry stems just above the soil mean that the plant is probably dying from the roots out. I suspect that roots are already dead and, if so, the plant will not recover. I hope I am wrong!

Please post a photo that shows the entire plant and its pot.
Will Creed
Horticultural Help, NYC
www.HorticulturalHelp.com
Contact me directly at [email protected]
I now have a book available on indoor plant care
London
MrBrown808
May 25, 2020 2:04 AM CST
WillC said:It looks like your plant has a much more serious problem than mealybugs. The dry stems just above the soil mean that the plant is probably dying from the roots out. I suspect that roots are already dead and, if so, the plant will not recover. I hope I am wrong!

Please post a photo that shows the entire plant and its pot.


Oh no, really? Is there anything I can do to save it? What would have caused the issue?

[Last edited by MrBrown808 - May 25, 2020 2:31 AM (+)]
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London
MrBrown808
May 25, 2020 2:41 AM CST
I think it's dead. Looks like the roots have disintegrated. What would have caused this? Is there a way I can rescue the stems and propagate them?

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Name: Will Creed
NYC
Prof. plant consultant & educator
Image
WillC
May 25, 2020 8:15 AM CST
Improper watering is the most common reason for roots to die. It happens slowly over time and often goes unnoticed because the plant will continue to grow until the bitter end. As a side note, plant pests tend to prey on plants in a weakened condition for other reasons.

Perhaps, others will have some suggestions about proppropagating the remaining healthy stems.
Will Creed
Horticultural Help, NYC
www.HorticulturalHelp.com
Contact me directly at [email protected]
I now have a book available on indoor plant care
Texas (Zone 8b)
Image
Galathiel
May 25, 2020 8:23 AM CST
The soil does seem to be wet. I have found that most hoyas prefer to dry out completely before you water again and enjoy bright light. Most of mine are sitting in east facing windows and get morning sun (being in Texas, my pm sun is only really good for cactus and succulents like aloes/haworthias). In the future, I would suggest using a potting soil with a lot of perlite/pumice and perhaps some orchid bark. I use primarily 50 percent cactus soil to 50 percent perlite with a few handfuls of orchid bark. I also prefer to use terra cotta for its breathability.
London
MrBrown808
May 25, 2020 12:15 PM CST
Thank you very much for the help. Really appreciate it.

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