|winter rain climate
Gladiolus grandiflorus Andrews grows on clay slopes in the renosterveld in areas with winter rainfall and some year round rainfall. Growing from 25 to 50 cm, it has sword shaped leaves with thickened margins and midrib and cream to greenish flowers in a two to nine flowered spike, sometimes with a darker median streak on lower or all the tepals. If flowers September to October. Photos 1-3 by Mary Sue Ittner of plants grown from seed that had creamy white flowers marked in red and flowered late April, early May each year in her Northern California garden. Photo 4 taken by Bob Rutemoeller at Bontebok National Park September 2003. The last photo below from the book Plants of the Klein Karoo courtesy of Jan and Anne Lise Schutte-Vlok.