what is the name of a yellow flower that opens at night
By Acott
United Kingdom 
what is the name of a yellow flower that opens at night the plant stands 2foot6inches high the flowers open inthe evenning die the next day the next evenning the next row of flowers open and so on for last 6 nights more to come thank you very much andy
12 Jul, 2013
Evening primrose ? (Oenothera californica)
12 Jul, 2013