LAKEWOOD, Colo. — Perennial Trial Program is designed to test newer perennial cultivars that have been introduced in the past three years or less. Entries in these trials are allowed to overwinter twice before they are switched out for new entries. The ‘Top Performer’ winners for 2019 have been selected and you can review the list here.
— Colorado Nursery & Greenhouse Association
For more news from Colorado, click here.