Sago Palm Trees
Q.

Can a heavy infestation of white flies on sago palms be killed?

Zone 36542 | Anonymous added on November 1, 2019 | Answered

I have about 20 medium size sago palms lining my driveway. 2 have exteme infestations of white flies (underside of fronds almost completely white and also much white on the stalk of the plant). 2 or 3 more have smaller infestations. I have 2 questions: 1. Is neem oil what I should use? 2. Should I cut all the fronds off of the heavily infested plants or will they survive if I saturate the underside with the neem oil? I just hate to cut all the fronds. Some are even new ones just beginning to grow. But I will cut them on your advice. Thank you! Rick Williams ActScore33@gmail.com

A.
A.Answers to this queston: Add Answer
GKH_Susan
Certified GKH Gardening Expert
Answered on November 2, 2019

Yes, you can use neem oil. Here are some other suggestions you can do along with the neem oil. I wouldn't cut off any fronds unless none of these options work.

https://www.gardeningknowhow.com/plant-problems/pests/insects/whitefly-control.htm

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