Here are some blog posts that focus on Midwest gardens:
Allium Bulbs: Add Fireworks to Your Garden!
9 Daisy-Like Perennials for Spring and Early Summer Bloom: Zone 6
14 Spring Flowering Trees & Shrubs Worth Knowing in Zone 6!
A look at an East Coast and Midwest Urban Forest in Winter
How This Midwest College Town: Bloomington, Indiana Inspires!