Key print resources:

Herbaceous Perennial Guide: A Guide From Propagation to Marketing - Includes production systems and schedules, facility design, propagation, plug production, transplant and seedling care, nursery and field production, pest control, forcing, business and marketing. By University of Vermont's Leonard Perry.

Armitages Garden Perennials: A Color Encyclopedia - Comprehensive guide includes 1,400 photographs and extensive information on the most important, interesting, or overlooked perennial plants in 136 genera.

Ball Perennial Manual: Propagation and Production - Includes seed germination, divisions, cuttings, and other propagation techniques for 300 species of plants by Jim Nau.

Tips on Growing and Marketing Garden Mums - Info on growing environment, breeding, new cultivars, containers, marketing, nutrition, root media, irrigation, light, temperature, scheduling, pinching, chemical growth regulators, production experiences, insect and disease management, production costs from the Ohio Florists Association.

Links:

Bedding Plant and Perennial Production Guidesheets - Compendium of links to university resources from the Purdue University Floriculture Extension.