Ferns N Petals 15% Off on Birhtday Flowers Discount Coupon September 2024. Ferns N Petals offer is 15% off at minimum purchase of Rs. 799 or more. Ferns N Petals (FNP) was established in the year 1994 with a sole aim to provide fresh flowers and render exceptional flower arrangement services. FNP, with 180 stores in India, delivers flowers, gifts and cakes in 155 countries.