Common evening primrose
'Common evening primrose' is a plant in the Oenothera genus with a scientific name of Oenothera biennis. The botanical name epithet for Common evening primrose (biennis) means 'biennial'.
The flowers of the yellow evening-primrose are bright lemon yellow, 1 to 2 inches in diameter, with four reflexed sepals and four petals. Flowers are arranged in a spike-like fashion on stems which may grow up to 5 feet tall. All flowers do not bloom at once and they usually open in the evening. Flowers appear July-August
the fruit is a dry, coarse, slightly hairy, stalkless capsule about 2 inches long, with many small seeds. There may be over 50 oval fruits clustered along the upper 18 inches of the stem. These pods release their many seeds over a considerable period of time. It’s leaves are alternate, lance-shaped to oval, deep green, 1 to 5 inches long. Those on the lower stem have short stalks but they are stalkless on the upper stem.
The yellow evening-primrose is bushy and branched growing from a deep tap-root. There are several varieties of this species. It grows mainly on field edges and waste places. It grows in most of temperate North America and Canada.Common evening primrose grows as a perennial and is a flower. Being a perennial plant, it tends to grow best over several years (approx 3 years and greater).
This plant info is provided by the myfolia gardener's wiki. All details about Common evening primrose have been kindly provided by our members.
These plants have been known to grow well alongside Common evening primrose so consider planting:
These plants will not grow well with Common evening primrose so avoid planting these within close proximity:
These problems, diseases and pests are known to affect Common evening primrose plants:
Evening star, Weedy evening-primrose, German rampion, Hog weed, King's cure-all, Fever-plant, Evening primrose
Misspellings: Evening Primrose
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