Delosperma 'Jewel of the Desert Opal' (Ice Plant) Ice Plant 'Jewel of the Desert Opal', 'Jewel of the Desert Opal' Ice Plant Almost ever-blooming, Delosperma 'Jewel of Desert Opal' (Ice Plant) is a vigorous, mat-forming, evergreen succulent with a profusion of vibrant, fuchsia, daisy-like flowers, 2 in. wide (5 cm).