Harrowsmith Northern Gardener Author:Jennifer Bennett Any gardener who has ever been concerned by the threat of frost, either spring or fall, will The Harrowsmith Northern Gardener a priceless resource for planning and maintaining a vegetable and herb garden. Written in 1982 by Jennifer Bennett, Harrowsmith magazine's gardening editor, the book has been widely acclaimed both in Canad... more »a and the United States as a horticultural classic that combines exhaustive research with valuable hands-on experience and clear writing. Organic gardening has seldom been so accessible. This revised edition includes an updated list of mail order sources of supplies and seeds. « less