The lowest-priced, brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable).Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag.See details for additional description.
A detailed and comprehensive A-Z reference book of plants and how they affect each other favourably and unfavourably, for improved results for farmers and gardeners.
Helen Philbrick (1910-2011) worked with Richard Gregg and Evelyn Speiden Gregg to experiment with companion planting in the Gregg's own garden. She wrote extensively on the subject. Richard Gregg was an early pioneer of companion planting. In the 1940s, he and Evelyn Speiden Gregg used their own garden to experiment with different plants.