The Dahlia Blue Book for 1959

This document is a nursery catalog from Rocky River Dahlia Gardens in Columbia Station, Ohio, detailing their dahlia plant offerings and propagation methods. The catalog explains various forms of dahlia stock available: green plants (cuttings-grown plants), rooted cuttings, pot roots, field-grown roots, and clumps, with guidance on ordering procedures, shipping, and care instructions. Featured are Rocky River's 1959 introductions, including the formal decorative 'Autumn Charm,' semi-cactus 'Chappie,' incurved cactus 'Clariam Tempo,' ball dahlia 'Dottie D.,' and formal decorative 'Eleanor Bolesworth,' each described with trial ground scores and pricing. The catalog includes classification keys for dahlia size, flower type, and color, information on disease eradication efforts, pest control for red spider mites, and wholesale opportunities for commercial growers.