Your information source for gardening and horticulture related programs and classes through Boulder County Extension.
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Planttalk Colorado™ is sponsored by Colorado State University Extension, Denver Botanic Gardens, and the Green Industries of Colorado. It provides information on over 500 horticulture topics from Colorado horticulturists and professionals.
For additional information on gardening, see Extension Publications.
Timely topics videos on PlantTalk Colorado.
Mulching leaves into your lawn by Dr. Alison O’Connor, Larimer County Horticulture Agent and Dr. Tony Koski, Turf Specialist. Leaving mulched leaves on your lawn adds organic matter to your soil and feeds the earthworms for a healthy lawn in Spring.
Winter Rose Bush Care by Luan Akin and certified arborist and Tagawa Nursery staff member Mike Landers. Learn how to use rose collars to protect your roses from harsh winter conditions, plus other tips for helping your rose bushes through the winter. by Luan Akin and certified arborist and Tagawa Nursery staff member Mike Landers.
Winter Rose Care or How to Use a Rose Collar by Luan Akin and rose supervisor and Tagawa Nursery staff member Tom. Learn how to protect your roses during the Colorado winters.
Winter Watering Trees and Shrubs by Luan Akin and certified arborist and Tagawa Nursery staff member Mike Landers. Colorado winters require winter watering of trees and shrubs to stay healthy.
Tree Care in Winter by Dr. Jim Klett, Landscape Horticulturist Don’t neglect your trees in the winter!