This Week in the Garden: Your Questions Answered, Week of October 26

What in the world is that weird thing attached to that Arborvitae?
Answer below!![]()
https://lglibrary.org/eventcal…
Gift Plants Unwrapped, November 10, 5:30 p.m. at UW-Whitewater (Upham Hall)
https://www.uww.edu/ce/gardenlandscape/giftplants
Question:
We found this in our Arborvitae. What is it?
Answer:
Cool find! You found an oothecae! That’s an egg pouch laid by a female praying mantis and will overwinter there. It won’t harm the tree. If it survives the winter, then hundreds of juvenile mantids will emerge in the spring.
Learn more:
Mantid Mania from the UW-Madison Insect Diagnostic Clinic
https://insectlab.russell.wisc.edu/2017/11/16/mantid-mania
Praying Mantids from UW-Madison Extension Horticulture
Have a question of your own?
Reach out—we may feature it in an upcoming post!
You can reach Julie, your local horticulture educator by calling 262-741-4958, Text 262-374-4191, email julie.hill@wisc.edu or use our online form: go.wisc.edu/PlantQ