+20 Best Plants For Minnesota Garden References. Peonies are possibly the most reliable flower for your garden. Likely, you’ll want to plant short season fall crops during july or august, to ensure ample harvest time before the season’s first frost hits.

10 best vegetables to grow in minnesota (2022 guide) #1. First on our list of best perennials for minnesota is the beautiful peony. They are already adapted to our soil and climate and need minimal care to grow and.