Plants
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7 perennials named top performers following three-year trials
Our three-year (two-winter) herbaceous perennial trials at Colorado State University continue to grow each year, with 106 new entries in 2023 for a total of 308 entries. Plants are evaluated for vigor, uniformity, floriferousness and tolerance to environmental and biotic stresses. The following seven perennials have been awarded the 2023…
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2024 CSU Annual Trial “Best Of” Winners
“The 2024 growing season was more normal this summer than last summer. There were lots of great plants in the trials this summer. The Trial Garden Advisory Committee met on September 13, to review the evaluations from the Annual Evaluation Day, held on August 6, 2024. There were more than…
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‘Shimmer’ evening primrose offers reliability and captivating beauty
‘Shimmer,’ defined as “to shine with a soft tremulous light,” perfectly encapsulates the beauty of Oenothera macrocarpa spp. fremontii ‘Shimmer.’ This remarkable plant, patented by Lauren Springer and Scott Ogden in 2009, boasts bright yellow, 2.5-inch nocturnally fragrant flowers that float gracefully among waves of soft, shimmering, silver foliage. ‘Shimmer’…
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12 plants with extremely long lifespans – They’ll live for decades!
Gardeners love seeing their hard work pay off for years. They have discovered some incredible plants that can stand the test of time. These enduring beauties not only enhance your garden year after year but also reduce the amount of maintenance and replanting you need to do. Imagine having a…
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Yellow Wax Bells – Bold Heft in the Shade
Relying on hostas and ferns in the shadier garden is still a successful approach to addressing color and texture in those low light conditions. While there are also a wide range of other herbaceous treasures for the shade, including sedges, hellebores, lungwort’s and barrenworts, having additional large and bold plants…
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Unusual shrubs for the Colorado landscape
The following shrubs have proven to be tough and reliable options for Colorado. We have observed their performance over a number of years at the Heritage Arboretum on the Colorado State University Campus, and they have shown year after year to be adaptable to Colorado’s Front Range and beyond. They…
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Now’s the time to plant
Now’s the time to plant ‘Windwalker’ big bluestem for a stunning fall show Spring/early summer is the best time to plant native grasses for a great summer and fall garden show, and you can’t go wrong with Andropogon gerardii PWIN01S ‘Windwalker’ big bluestem. While most big bluestem varieties exhibit varying…
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Recommendation Tree List Released
Revised Front Range Tree Recommendation List released In 2023, a revised Front Range Tree Recommendation List was developed through the collaborative effort of 16 individuals, each representing a different aspect of Colorado’s green industry. Participating organizations included the American Society of Landscape Architects (ASLA), Colorado Nursery and Greenhouse Association (CNGA),…
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Revised Front Range Tree Recommendation List released
In 2023, a revised Front Range Tree Recommendation List was developed through the collaborative effort of 16 individuals, each representing a different aspect of Colorado’s green industry. Participating organizations included American Society of Landscape Architects (ASLA), Colorado Nursery and Greenhouse Association (CNGA), municipal arborists representing Colorado Tree Coalition and International…
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Sungari redbead cotoneaster shrub
SunGari redbead cotoneaster is a versatile shrub requiring minimal maintenance Ctoneaster racemiflorus var. soongoricus is a versatile, durable and adaptable large arching deciduous shrub that will reduce your yard maintenance and look beautiful at the same time. The toughest cotoneaster available, it can be planted as a windbreak on the plains…
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Colorado Green News 