A North American wildflower, only recently introduced into gardens. Plants bloom for many weeks, with loose sprays of satiny pink flowers; these move constantly in the breeze, like small butterflies. May act as a self-seeding annual, but well worth including in any warm, sunny site. Drought tolerant once established. Bushy mound. Note that botanists have recently reclassified and named this species Oenothera lindheimeri. Here at Heritage Perennials, we'll continue to list it under it’s more commonly familiar Latin name for now.