If I had the chance to give this perennial a new common name, I would choose Easter buttercups! Oenothera macrocarpa, also commonly called evening primrose, has showy, cupped blossoms typically in buttercup yellow, but I also have a blushing pink version. The medium green, lance shaped leaves give background on meandering stems that culminate in vivacious blooms. This species of evening primrose mixes well with ground cover sedums and thymes in a rock garden, offering variance in foliage texture, and the surprise of large, luxurious blooms. Read more about evening primrose by clicking here.
Technical stuff – Evening primrose/Oenothera macrocarpa, hardy perennial to zone 4, height and spread of 6”-12”, prefers full sun, blooms in summer.