Coastal Silkworms Promo Codes & Coupons September 2026 — Up to 20% Off

Coastal Silkworms has grown from a small company to a worldwide supplier of silkworm and other related products. Coastal Silkworms is the only silkworm producer in the United States that provides quality products on the east and west coasts of the United States. Founded in 2003, they provide a variety of high-quality insects and care products. Services for hobbyists, retailers, breeders, wholesalers, distributors, zoos / aquariums, universities, education and scientific research around the world. Their main office in the east serves them and their global partners, while their west coast office focuses on serving California and surrounding states in the western hemisphere of the United States. All their silkworms and hornworms are grown at home and packed in order.