Hibiscus Flowers or Dried hibiscus is edible, and it is often a delicacy in Mexico. It can also be candied and used as a garnish, usually for desserts. The roselle (Hibiscus sabdariffa) is used as a vegetable. The species Hibiscus suratensis Linn synonymous to Hibiscus aculeatus G. Don is noted in Visayas in the Philippines as being a souring ingredient for almost all local vegetables and menus. Known as labog in the Visayan area, (or labuag/sapinit in Tagalog), the species is an ingredient in cooking native chicken soup.
Medicinal use of Roselle:
Roselle is an aromatic, astringent, cooling herb that is much used in the Tropics. It is said to have diuretic effects, to help lower fevers and is antiscorbutic. The leaves are antiscorbutic, emollient, diuretic, refrigerant, and sedative.
It can also be used in teas, sauces, cocktails, Jams, Jellies and Desserts!