Perennials – General Information
- Herbaceous Perennials search site – Cornell University
- Herbaceous Perennials fact sheets – Michigan State University
- Herbaceous Perennial Production – University of Vermont
- Growth Retartant Efficacy Trials on Perennials - Michigan State University
- Complete Flower induction table – Michigan State University
- Overwintering Containerized Perennials – University of Massachusetts
- Preventing Rodent Damage to Overwintering Perennials – University of Massachusetts
- Perennials – University of Nebraska
- Flower Perennials – Characteristics and Culture – University of Missouri
- Managing Aster Yellows – Kansas State University
Allium
- Allium – University of Maryland
Anemone
- Anemone – University of Maryland
Aster
- Guide to Successful Outdoor Garden Aster Production – North Carolina State University
- Garden Asters – University of Massachusetts
- Aster Diseases and their Management – Penn State University
Bleeding Heart
- Forcing Bleeding Heart for Spring Sales – University of Massachusetts
Chrysanthemum
- Growing Garden Mum for Fall Sales – University of Massachusetts
- Garden Mum Production for Fall Sales – University of Kentucky
- Garden Mums – Past Crop Problems and Production Tips – University of Massachusetts
- Guide to Successful Outdoor Garden Mum Production – North Carolina State University
- Fall Garden Mum Production – Alabama Cooperative Extension
- Cost of Production of Garden Mums in Containers – University of Kentucky
- Chrysanthemum Diseases and their Management – Penn State University
- Optimizing Garden Mum Production – Canadian Greenhouse Conference
Gladiolus
- Gladiolus – Kansas State University
- Insect and Mite Management Suggestions for Commercial, Field-grown Gladiolus Production – University of Florida
Herbs
- Success with Container Production of Twelve Herb Species – North Carolina State University
- Pest Management for Herb Bedding Plants Grown in the Greenhouse – University of Connecticut
Larkspur
- Larkspur – University of Maryland
Liatris
Lilies
- Production of Hybrid Lilies as Pot Plants – University of Massachusetts
- Lily Diseases and their Management – Penn State University
- Lilies: Asiatic and Oriental Lilies – University of Maryland
Peonies
- Peonies – pdf file – Kansas State University
- Peonies: 2000 Production and Postharvest Evaluations – Kansas State University
- Peonies: 1999 Production and Postharvest Evaluations – Kansas State University
- Peonies: 1995 Production, Postharvest and Freeze-Drying Evaluation – Kansas State University
Purple Coneflower
- Purple Coneflower – University of Maryland
Streptocarpus
- Streptocarpus, Cape Primrose – Virginia Cooperative Extension
- Primula Diseases and their Management – Penn State University
Yarrow
- Production of Yarrows as Cut flowers - University of Maryland
- Yarrow (Achillea) – Kansas State University