The Newburyport Horticultural Society, Inc. is a tax-exempt 501(c)(3) public charity under the Internal Revenue Code. All donations are tax deductible to the full extent allowed by law. Our tax-exempt EIN is 86-1835539. Our mission is to stimulate and promote the knowledge and love of gardening, advocate for the natural beauty of the community, and encourage the conservation of natural resources. Our mailing address is PO Box 294, Newburyport, MA 01950.