Perennial Trial Results
The two-year Perennial Trial program at Colorado State University is designed to test newer perennial cultivars that have been introduced in the past three years or less. Entries in this trial are allowed to overwinter twice before they are switched out for new entries.
2007 Results
- Introduction - Overview of the perennial evaluations (.PDF document)
- Report - Size, Ratings and Comments. (.PDF document, Pages 1-5)
Trial Results
Best of the Trials
Related Links
- PlantTalk Colorado™
- Plant and Environmental Research Center - Arboretum
- Gardens on Spring Creek
- CSU Department of Horticulture and Landscape Architecture
- PlantSelect®
- Green Industries of Colorado (Green Co.)
- Denver Botanic Gardens
2006 Novelty – Achillea ‘Gypsy’ from Fischer USA