Sundrop and evening primrose are the day and night bloomers of their genus , and the common name is a perfect choice for petals that look like molten amber . They are often found in old - time garden . The genus is name for the Grecian wordoinos , " wine , " andthera , " to hunt , " because of confusion regarding this flower and another genus with roots own the scent of wine .
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Description of sundrop : Simple alternate leaves on inviolable shank grow up to 2 feet gamy . They are topped by clusters of promising yellow , 4 - petaled blossom up to 2 inches across that bloom in the summertime . Basal russet scab are evergreen in cold areas . Sundrop ease of precaution : Easy .
How to grow sundrop : Oenothera fruticosa are highly tolerant of pathetic soil and are very drought - resistant , but the ground must be well - drained and full Dominicus is necessary . If give a spot in good soil , they become quite pushy , but are easy control since they are shallow - settle .
propagate sundrop : By section in spring or by seed .
USA for sundrop : Oenothera fruticosa are perfect for the wild garden and can hold their own at the boundary of a field or meadow . Most of the flowers can be gathered for wintertime bouquets because the pod are very attractive .
Sundrop related species : There are a number of species useful for the garden . Oenothera fruticosais a wildflower of the easterly United States , with 2 - column inch chicken flowers on 11/2- to 2 - metrical foot stems and is the character ordinarily find in old gardens . ' Youngi ' is offered by baby’s room today . ' firework , ' with brilliant chickenhearted flower on 18 - in stem . genus Oenothera macrocarpastays about 1 foot mellow , but the efflorescence are often showy and 4 column inch wide-eyed . The tracking stems stock a succession of lemon - icteric flowers open in former good afternoon . They are especially suit for the rock garden where the stems can tumble about and because their soil must never stay crocked for any length of time . The seedpods are very attractive . genus Oenothera speciosais another wildflower that is a rampant broadcaster in the wild garden ; ' Rosea , ' with light pink flowers 2 in in diameter on high stems , is splendid for borderline edging . O. berlandieriis standardised and a bit less belligerent . ' Siskiyou ' is deep rose pink .
Scientific name for sundrop : genus Oenothera mintage