Are you looking for  an expert to advise on your garden questions?
This link  https://hort.extension.wisc.edu  will take you to the Wisconsin Horticulture Website which offers you the opportunity to get the advice you are looking for.

Along with learning opportunities, resources, etc. you’ll find the “Ask Your Gardening Question” on the menu tab.  See picture below.
This guide (1 page, PDF) may be of help to you.