An artistic spin to the usual roses in a vase. not sure how long they'd last, if you get real flowers. But it's almost the way Morticia arranged roses, except she cut the blooms off.
Breathtaking 22 Outdoor Dinner Party Ideas https://weddingtopia.co/2018/01/24/22-outdoor-dinner-party-ideas/ Since the party happens outdoors, you would like to encourage guests to visit the backyard. In Spain, this kind of party is named El Aguinaldo