Primrose – Evening

Oenothera biennis

Family Evening Primrose (Onagraceae)
Bloom Summer, fall
Habitat Dunes, meadows, fields, roadsides
Status Native
Cycle Biennial
Height 2-5′
Flower Many pale yellow flowers each 1-2″ wide form a cluster. Each flower has 4 broad, yellow petals with a blunt end, notched tips, and an X-shaped stigma.
Leaf Leaves are narrow and alternate on the lower half of the stem. Leaves are rough to the touch and often tinged with red along the edge.
Notes Stems are stout, erect, hollow, and contain a milky juice. Fruit is in a green pod container with lengthwise ridges. The flowers are pollinated by Sphinx Moths at night.

Photos