raditional lilies Lilies, available in various sizes and colors, can be bought fresh year round, and in many cases last longer than seven days. Look for a bouquet with tight buds. “Each stem usually produces between three and five blossoms,” says Faitos. “The last bud might not bloom for ten days after the first.” Snip the flowers that are past their prime. “It might not look as rich or lush, but you’ll have longer blooms,” he says.