Roselle Your ultimate guide to Roselle: Everything you need to know with expert info for beginners and advanced gardeners alike. Roselle Flower Seeds: What Are Uses For Roselle Seeds Agua de Jamaica is a popular drink in the Caribbean made from water, sugar, and the sweet edible calyces of Roselle flower seeds. Click this article for Roselle seed information, tips on harvesting seeds from Roselle, and other uses for Roselle seeds. Roselle Plant Care – How To Grow Roselle Plants In The Garden By Liz Baessler