Companion Plants and How to Use Them:It has long been observed, by farmers, gardeners and botanists alike, that some plants seem to affect other plants growing near them both favourably and unfavourably. By taking account of these relationships, farmers and gardeners can improve the quality of food and flowers, reduce losses from pests and disease, drought and frost, and enhance both work satisfaction and financial profit. Years of experimentation by Richard Gregg and subsequently Helen