OENOTHERA lamarckiana (Common Evening Primrose) is a biennial or short-lived perennial flowering plant that belongs to the Onagraceae family. It is native to North America but has become naturalized in various parts of the world. This species is known for its stunning blooms and its ability to thrive in diverse environmental conditions.
Common Evening Primrose typically grows to a height of about 1 to 5 feet (30 to 150 centimeters) and forms a clump-like habit. The plant produces a basal rosette of lance-shaped, toothed leaves. The leaves are typically medium green in color and have a slightly hairy texture.
The highlight of Oenothera lamarckiana is its attractive flowers, which bloom in the evening, giving the plant its common name. The flowers have a distinctive four-petal structure and come in shades of yellow, ranging from pale yellow to bright golden hues. The petals are typically broad and delicately textured, giving the flowers an elegant appearance.
The blooms of Common Evening Primrose are known for their short-lived nature, typically lasting only a day. However, the plant compensates for this by producing a continuous succession of flowers throughout the blooming period, which generally occurs from late spring to early fall.
Oenothera lamarckiana is adaptable to various soil types and can tolerate both dry and moist conditions. It prefers full sun exposure but can tolerate partial shade. This plant is also known for its self-seeding nature, readily reseeding itself and spreading in suitable growing conditions.
Common Evening Primrose is often grown in gardens and landscapes for its ornamental value. It attracts pollinators like bees and butterflies, making it a beneficial addition to pollinator gardens. It can also be cultivated for its edible roots and leaves, which have been used in traditional herbal medicine.
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Scientific Name: Oenothera Lamarckiana
Common Name: Common Evening Primrose
Plant Type: Biennial
Native Range: North America
Height: 24-60 "
Zone: 7 to 10
Exposure: Full Sun
Blooming Season: Early to Late Summer
Attracts: Bees, Butterflies, Moths
Resistant: Deer, Dry Soil
Flower Color: Yellow
Water Requirement: Medium
Soil Type: Dry, Moist, Average, Poor Soil
Soil pH: 5.5-7.0
Uses: Beds and Borders, Coastal Gardens, Indoor Gardens