DIY citronella candles are an easy and cute project to make in mason jars. They're absolutely beautiful for outdoor wedding receptions, and functional too because the oil helps repel mosquitos! Also an excellent idea for outdoor dinner party table decorations.
Autumn Entertaining: A Rosemary-Inspired Dinner - The Decor
So i think this is really pretty but i don't think its the best idea for a formal event especially a wedding. I just cant imagine being in a fancy dress and heel and sitting on the ground. I would maybe use this for a bridal shower if you made it casual attire.
How To Host the Perfect Bohemian Chic Outdoor Dinner Party