Valid Flower Advisor Voucher Codes, Coupon Codes & Discounts for Indonesia June 2016. Treat your loved ones with this sweet indulgence with the best cake to sweeten up your special moment by purchasing online for them from the delicious collection of Birthday Specials. Grab a flat concession of 10% by using this FlowerAdvisor Discount Code at the landing page. Only at FlowerAdvisor.