Store edible roses in their plastic clamshell in your refrigerator until you’re ready to use them.Shelf Life:
Up to 10 days.
Edible roses can be used to garnish a plate, beverage or platter or as a stunning cake decoration. They can also be separated into individual petals for use as an ingredient in chocolates & confections or as a bed for desserts.
To add sweetness and shine to your roses, try candying them.
How to Candy Flowers