I found Priest Aaronolis Swornlove in the city of New Halas with his sister, Annalisa, and three mysterious Sisters of Erollisi. Aaronolis will not tell me why the Sisters are here, but he feels that I can prove myself to them and thus gain their trust.
The timer marking players as those that already received a rose resets after an hour. Not only can you give them another one after an hour, but you will also receive credit for doing so. (Source: Kaitheel).
This article refers to events, personae, items and activities only present in-game during the annual Erollisi Day festivities, which come to Norrath each year for a short time roughly around February 14th.