50 ROSELLE HIBISCUS Sabdariffa Fruit / Flower Seeds BLOOM TIME: Summer HARDINESS ZONE: 10 - 11 PLANT HEIGHT: 60 - 84" . . . PLANT SPACING: 12 - 14" LIGHT REQUIREMENTS: Sun . . . SOIL / WATER: Average This hibiscus has huge 3 - 4 inch flowers. Its stems are used for fiber, the red calyces are used as food colorings, and the leaves are used like a spicy version of spinach or in curry. Roselle is used to make tea and wine, jams, etc, and also has herbal medicinal properties.