www.dailycomet.com
Barton Joffrion
Columnist
The hibiscus flowers have been really pretty lately, but residents of south Louisiana are beginning to have problems with an insect that is prevalent on the leaves. Officials with the LSU AgCenter are getting calls about a white-cottony looking material on the underside of the hibiscus leaves. This is common at this time of the year and the cause is the hibiscus whitefly.
You can detect their presence by the sooty mold on the leaves and if you flip the leaf over, you see the white fly adults and nymphs with the white-cottony material underneath the leaves.
If it has gotten to this stage, you will have to spray with insecticide that includes hibiscus on the label. Most insecticide sprays and summer horticulture oil sprays will work, but it may take several sprayings to effectively control on large plants.
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