(Evening Primrose)

(Cold Crick Evening Primrose, Evening Primrose)

This is a perennial, compact, very free-flowering cultivar of Primrose. The bright-yellow cup-shaped flowers appear in abundance in summer and the plant makes a dense clump of upright branching small-leaved stems. Unlike many evening primroses it does not spread aggressively, nor does it self-seed, being sterile. Once established, it is drought tolerant.

This cultivar grows and flowers best in full sun on average well-drained soil. After flowering, the plants may be cut back to keep them tidy....

(Narrow-leaved Evening Primrose)

This is a loosely clumping perennial with upright branching red-tinged stems, lance-shaped leaves, and large bright-yellow cup-shaped flowers in summer, three to ten per cluster,that open by day and are followed by winged seedpods. Low tight rosettes of leaves may persist over winter in warm climates. It is native to most of the eastern half of the U.S.

Narrow-leaved evening primrose grows and flowers best in full sun on average, well-drained soil. It tolerates dry conditions once established...

(Evening Primrose, Lemon Drop Evening Primrose)

The compact evening primrose, Lemon Drop, has bright golden yellow flowers that bloom continuously from spring to fall. It's exceptional heat and drought tolerance make it well suited to areas where other hardy perennials flag. This vigorous hybrid is a cross between Oenothera 'African Sun' and O.'Narrow Gray Leaved' bred by Silvia Hofmann of Mainz, Germany.

Lemon Drop forms semi-woody, spreading mounds lined with linear, deep green to gray-green leaves. From late spring...

(Evening Primrose, Lemon Sunset Evening Primrose)

An Evening Primrose of unknown parentage, ‘Lemon Sunset’ is a long-blooming herbaceous perennial. It makes a tall, upright clump of woody stems clothed in short, narrow, green leaves. The flowers appear at the top of stems and are round, four-petalled and lemon yellow when newly opened and tinted with sunset colors as they age. They appear continuously through summer into autumn.

Grow this hybrid in full sun on average, well-drained to dry soil. Use it for long bloom and fine texture in a sunny...

(Bigfruit Evening Primrose, Missouri Primrose, Ozark Sundrops)

The romantic wildflower of American lore, the Missouri primrose bears large yellow flowers from late spring well into summer, later yielding large winged fruits filled with seed. A clumping but sprawling perennial native to the rocky prairies of the central and southcentral United States, it may become a pesky, self-sowing weed.

The leaves are narrow lances and medium to deep green, sometimes glossed, held on upright to often flopping stems that can have a reddish tint. Depending on geography,...

(Evening Primrose, Fremont's Evening Primrose)

This is a subspecies of a primrose native to the southcentral United States that blooms with large bright yellow flowers. Unlike many evening primroses, Fremont's evening primrose has flowers that are open all day and flowering runs from spring to fall, followed by large, winged seedpods. It is a clumping perennial with a central rootstock from which emerge lax trailing reddish stems. The stems are hairy, the leaves lance-shaped and toothed. It also does not spread aggressively. It is native on open...

(Evening Primrose, Shimmer Evening Primrose)

This is a subspecies of a primrose native to the southcentral United States that blooms with large bright yellow flowers. Unlike many evening primroses, Fremont's evening primrose has flowers that are open all day and flowering runs from spring to fall, followed by large, winged seedpods. It is a clumping perennial with a central rootstock from which emerge lax trailing reddish stems. The stems are hairy, the leaves lance-shaped and toothed. It also does not spread aggressively. It is native on open...

(Bigfruit Evening Primrose)

Prized for its huge cup-shaped clear yellow flowers that announce the start of summer and continue much of the season, Missouri sundrops is a lax-stemmed herbaceous perennial from the central United States. The solitary flowers open in the afternoon and close the next morning, turning a salmon color as they wither. They may be pollinated by night-flying hawkmoths. The short stiff flower stalks are reddish and hairy and hold the flowers aloft. Large papery winged seedpods follow the flowers. The leaves...

(Hairy Cutleaf Evening Primrose, Mexican Evening Primrose, Texas Evening Primrose)

Crepe-paper pink and white blended flowers don the Mexican evening primrose from winter to early summer. This ephemeral plant grows in the sandy soils of southern Texas where it usually flowers in late winter and into mid-spring. Some list this species as a synonym of Oenothera laciniata, which is distributed across the whole of the eastern North America, but the putative Oenothera Mexicana is a dryland narrow endemic that only exists in two counties in southern Texas.

The...