Ferraria crispa Starfish Iris Description Talk about texture! Exotic, fragrant velvet flowers are speckled with maroon and edged in yellow. Does not tolerate hot temperatures or full shade well. Performs well in containers, and moist well-drained soil. Sizes & Prices All Ferraira Characteristics Hardiness Zone: Light requirements: Sun/Part Sun Height: 16-18" Sizes & Prices Size: Varies Varies Other Information Ferraria crispa Starfish Iris Zone: Sun/Part Sun HT: 16-18"