Knowledgebase

Lemon tree #887643

Asked October 10, 2024, 12:17 PM EDT

What is this on the leaf of my lemon tree?

Hennepin County Minnesota

Expert Response

It looks like scale. It is an insect with a hard, protective shell.
https://www.melindamyers.com/audio-video/melindas-garden-moment-audio-tips/problems-pests-weeds/organic-control-of-scale-on-indoor-citrus-plants#:~:text=Carefully%20scrape%20the%20hard%20scales,on%20indoor%20plants%20and%20citrus.

Evelyn Locke, MN Master Gardener, Tree Care Advisor, Volunteer Replied October 10, 2024, 9:56 PM EDT

This work is supported in part by New Technologies for Ag Extension grant no. 2020-41595-30123 from the USDA National Institute of Food and Agriculture. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture.

Loading ...