The plant Urginea maritima (syn. Scilla maritima, Urginea scilla, or Drimia maritima) has the common names red squill, sea squill, sea onion, ein sit, and ada sogani. The name red squill may be reserved for a variety of the plant which has red-tinted flowers instead of the more common white. It may be placed in family Hyacinthaceae with squills of genus Scilla or included in family Liliaceae, depending on which classification system is used.
Sea squill is a bulb which sends up a tall stalk topped by an inflorescences of small white flowersan, followed by a rosette of large dull green leaves, that last until the followin summer. The bulb can get quite large, reaching over five pounds in weight.
This squill is native to coastal regions of the Mediterranean in sandy soil, but it is widely cultivated.
In Israel the sea squill (חצב) has gained an almost iconic status, and is popularly known as the "harbinger of autumn", due to the fact that the flowers pop out all over the country at the end of the dry summer, some time before the first rain.