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Because the evening primrose is a light-dependent germinator, it is important that the seeds are not planted too deep into the soil, about 0.5–1.0 centimetre (0.2–0.4 in) deep. The cultivation of evening primrose is thus suitable for no-till farming, but the plants require an intense mechanical weed control. The seeds are tiny, about 0.3 ...
Evening primrose (also known as night primrose) is a pretty native flowering plant that seems perfect for a cottage garden or to fill in a raised bed. But if you grow this plant, you’ll very ...
Oenothera tetraptera, known as fourwing evening primrose, ... It is an annual or short-lived perennial herb growing 15–50 cm (0.5–1.6 ft) tall. The four-petaled ...
A number of perennial members of the genus are commonly cultivated and used in landscaping in the southwestern United States. Popular species include tufted evening primrose (Oenothera caespitosa), Mexican evening primrose (Oenothera berlanderii), and Saltillo evening primrose (Oenothera stubbei). [31]
A perennial plant has a growing season and a dormant season, and it can survive through the frost to grow again the next year. Annuals, however, survive for one growing season only. Once they die ...
Oenothera fruticosa is an evening primrose which stands in a height range of 16-36 inches and is a perennial wildflower. Leaves are alternating and lance-shaped, growing 2-3 inches and pubescent. The stem is straight, pubescent, and ranges in color from red-green. The petals are rounded and 1-2 inches long. Flowering is in spring to early summer.
Oenothera speciosa is a herbaceous perennial wildflower. It has glabrous (smooth) to pubescent stems that grow to 50 centimetres (20 inches) in height. The pubescent leaves are alternate with very short or no petiole (sessile), reaching 10 cm (4 in) long to 4 cm (1 + 1 ⁄ 2 in) broad. They are variable in shape, from linear to obovate, and are ...
Oenothera harringtonii is a species of flowering plant in the evening primrose family known by the common names Arkansas Valley evening primrose and Colorado Springs evening primrose. It is endemic to the state of Colorado in the United States. [1] It is named for the botanist Harold Harrington. [2]