Bee balm (Monarda) is a native perennial that puts on a spectacular summer show while feeding hummingbirds, bees, and butterflies all season.
Zone 4B has a short growing season — start seeds indoors when possible and use season-extending techniques like cold frames and row covers.
Good companions: tomatoes, squash, echinacea, black-eyed Susans
Avoid planting near: Very large or dense planting partners that restrict airflow
Harvest flowers and leaves anytime during growing season
USDA Hardiness Zone 4B has an average last spring frost around May 1 and first fall frost around Oct 1. All planting dates above are calculated from these frost dates. Your specific location may vary — check with your local extension office for the most accurate dates.