77-91 days. Bachelor's Buttons Flower Seeds. AKA: Cornflower. Annual. Mixed Colors Bachelor's Buttons flower seeds are a convenient and easy summertime grow perfect for kids, indoors, or wild unkept spaces. These flower seeds mature into a robust 18-24" tall bushy uprights stemming with unique 1" pop-pom blooms in a seasonal mix of purple, white, magenta, lavender, and rose. Bachelor's buttons are an ideal grow for adding charm to window boxes, rock gardens, hanging baskets, or as a dazzling border to a flower bed. Mixed Colors bachelor's buttons seeds thrive in a variety of cool gardens and promise to keep your vegetables healthy and abundant by attracting important pollinators all season long.