Echinacea (coneflower) is a beautiful native perennial that supports pollinators and has medicinal uses.
Zone 6A has a moderate growing season. Most crops do well here with proper timing around frost dates.
Good companions: black-eyed Susans, grasses, lavender, bee balm
Avoid planting near: none — echinacea is a great garden citizen
Blooms first year from transplant, second from seed; leave some for wildlife
USDA Hardiness Zone 6A has an average last spring frost around Apr 21 and first fall frost around Oct 15. 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.