Sterling Journal-Advocate: According to Jim Klett, Professor, Colorado State University, Department of Horticulture and Landscape Architecture for three summers and two winters, CSU trials new varieties of perennials from the last 3 years.
linkSterling Journal-Advocate: According to Jim Klett, Professor, Colorado State University, Department of Horticulture and Landscape Architecture for three summers and two winters, CSU trials new varieties of perennials from the last 3 years.
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