The fragrant yellow flowering Evening Primrose Sundrops, Oenothera macocarpa, is a must have for rock gardens to border a garden or in front of foundation plantings.The evening primrose Sundrops is considered the showiest of all the primrose plants and blooms during the months of June and July. With its drought resistance, this plant variety is an excellent choice for Xeriscape gardens and other areas where you need to conserve water.
The beautiful yellow blooms of the Evening Primrose are most attractive to bees, butterflies,and birds. Evening Primose Sundrops (Oenothera macocarpa) is a trailing, spreading perennial plant that grows about 12 to 18 inches tall with gray-green foliage with a slight red tinge and yellow flowers that bloom after sundown. Its growth habit makes it a perfect candidate for cascading over rocks or retaining walls.
Plant in spring 24 to 36 inches apart.