: Seeds- of Hibiscus lasiocarpus also know as Hibiscus californicus or Rose Mallow. Very hard to find perennial that is a California native Hibiscus that boasts magnificent huge cream to white flowers 4-6 across with a dark merlo colored center. The height is approximately 4′ tall and 4 feet wide. It blooms in August and September and is hardy in zones 4-10. It does best in loamy soil and moist conditions in light shade to full sun.