Kitazawa Seed Co. Oakland based seed company started in 1917. The company specializes in Asian seeds, which it sells in seed packets, and in bulk. Order online or request a catalog. Website: kitazawaseed.comEmail: customerservice@kitazawaseed.comPhone: 510 595-1188Mailing Address:P.O. Box 13220Oakland, CA 94661-3220Date Updated: 9/8/2011