Showy Pink Evening Primrose (Oenothera speciosa) is 1-2 inch 4 petaled pink cup-shaped flowers with pink to red veins. It spreads by stoloniferous rootstocks and seeds forming a groundcover. The large flowers are cup-shaped and showy, usually opening in the evening or cloudy days although in some areas of the county they open during the day. Butterflies and bees are attracted to the nectar in the flowers. Members of the genus Oenothera support the following specialized bees: Melissodes (Apomelissodes) fimbriatus and Lasioglossum (Sphecodogastra) oenotherae. Seeds attract birds and small mammals.
Oenothera is a genus of about 145 species of herbaceous flowering plants native to the Americas. It is the type genus of the family Onagraceae. The genus Oenothera may have originated in Mexico and Central America, and spread farther north in North America and into South America. Common names include evening primrose, suncups, and sundrops. They are not closely related to the true primroses (genus Primula). The flowers of many species open in the evening, hence the name “evening primrose”.
Vital details:
Size: 20” x 2-3’ at maturity
Light: Full Sun
Water: Average needs
Hardiness: 5-8
Pollinator value: Butterflies and bees are attracted to the nectar in the flowers. Members of the genus Oenothera support the following specialized bees: Melissodes (Apomelissodes) fimbriatus and Lasioglossum (Sphecodogastra) oenotherae. Seeds attract birds and small mammals.
Notable features: Pink flowers, native, attracts hummingbirds, attracts butterflies
Plant name: Pink Evening Primrose (Oenothera speciosa)