In spite of the plant's exotic appearance, care of starfishiris is minimal, and the corms are easy to grow in a sunny location. However, this is a frost tender plant and cannot withstand freezes. Starfishiris has thick, fleshy, sword-like leaves that rise from the corms in fall. GrowingStarfishIris: How To Care For Ferraria Crispa Flowers.Photo of the bloom of Intermediate Bearded Iris (Iris 'Star in the Night'). StarfishIris is an eye-catching perennial flowering plant that's widespread mostly in coastal places. Here's how to grow and take care of your Ferraria Crispa. To grow the starfishirisplants in containers, you can plant the corms 1 inch deep and two inches apart (2.5 and 5.1 cm). Outdoors, install plants three to five inches deep (7.6 to 10.2 cm) and space them six to eight inches (15.2 to 20.3 cm). Planting the bulbs.Climate -- The StarfishIris does best in mild, frost-free temperatures during its winter growing period. It grows best between 40 and 75 degrees F (4-24°C) from October through April in the Northern hemisphere (April to October in the Southern hemisphere). Starfishiris is a remarkable plant that is from South Africa and it has an exotic, although familiar, appearance. Best grown in United States Department of Agriculture zones 9 to 11, and the corms can be planted indoors in northern locations. Starfishiris (Ferraria crispa) is an extraordinary plant, known for its characteristic star-shaped flowers. They dazzle both with their shape and wavy petals that take on an intriguing colouring – creamy white blooms are decorated with small, brown dots. This plantgrows up to 30... Ferraria crispa is a fascinating member of the Iris family, resembling a starfish it will make an eye-catching addition to your summer planting scheme. The unique blooms will appear in June and July where… Ferraria crispa StarfishIris. Beautifully intricate fragrant flowers.As a half hardy plant Ferraria is best grown in a pot - it like good drainage so mix 30% coarse sand with your compost. Flowers appear in spring and early summer after which the pot can be left to dry as bulbs become dormant. Plant/Product Requests. Wholesale Inquiries.Planting & growing. Soils & bulk. StarfishIris. Netherland Bulb Company. 1 count bag.Flower clusters bloom late spring to mid summer above strappy green foliage. Protect from heat by planting in areas that get morning sun but afternoon shade. When it blooms, the Iris's flowers are gorgeous, ranging in hue from the common purple shade to patterned white and yellow. Irises are among the easiest perennials to start and grow, so start planting today for long-lasting blooms. After the growing season has ended, provide winter protection to enjoy these amazing blooms year after year. Ultimately, Ferraria Crispa StarfishIris is a striking and unique plant that will bring beauty and colour to summer gardens. Hardy in USDA zones 9 through 11, starfishiris sprouts sword-shaped leaves in autumn, grows throughout winter, and blooms in late winter or early spring, before dropping into dormancy over summer.