Kansas State University Horticulture department has a weekly newsletter that includes information about maintaining your lawn and trees, planting a garden etc.
Here is a link to their site to access their newsletters:
K-State Horticultural Newsletters.
Horticulture 2021 Newsletter
No. 41 October 12, 2021
Kansas Forest Service Tree, Shrub Seedling Sale, September 1 - October 15