The major flower producing districts of Bihar are

• A. Patna, Muzaffarpur, Vaishali, Samastipur
• B. Kishanganj, Purnia, East Champaran, Begusarai
• C. Saran, Gopalganj, Siwan, East Champaran
• D. Samastipur, Begusarai, Khagaria, Saharsa