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What is a good over-winter fertilizer to use on perennial beds? #920145

Asked October 17, 2025, 1:46 PM EDT

Hi there, I work for a landscaping company in Colorado that specializes in perennial bed maintenance. I had a client who was asking about what is the best over-winter fertilizer she can use after cutting back plants in the fall. Altitude here is about 6500 feet.

La Plata County Colorado

Expert Response

Hello Julia,

Unfortunately, Colorado Master Gardeners are trained to help home gardeners only.  We do not research or answer questions from Green Industry businesses.

You can check our online resources:
CSU Extension at Colorado State University

Best
Colorado Master Gardeners
An Ask Extension Expert Replied October 17, 2025, 2:11 PM EDT

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