A tall perennial with unique perfectly round flower clusters that are greenish white. Flowers rise on sturdy stalks from foliage that looks somewhat like a Yucca plant. Can grow up to 6 feet tall. Blooms from May to August in full sun. You will definitely see pollinators visiting this plant including bees and butterflies. Prefers well drained moist soil. Can be an aggressive self seeder, you can remove the seed heads after blooming to help control spreading.