Perennial 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.

2014

  • Printable/PDF Version
  • Entry Form for entries in 2014 trial

 

2013

 

2012

 

2011

 

2010

 

2009

 

2008

Photos of all Plants on Evaluation Day 2008

 

2007

  • Printable/PDF Version
  • Introduction Overview of the perennial evaluations (PDF Document)
  • Report Size, Ratings and Comments. (PDF Document)