The Q&A Archives: High-altitude Flowers

Question: I'd like to know what flowers (preferably showy ones) would be successful at my altitude of 8,500 feet in Colorado. I would consider container gardening. They would get full sun (facing southeast). Thank you!!

Answer: Showy flowers can be coaxed into great displays when they are sheltered and/or supported against high winds, and protected from hungry groundsquirrels! Here are some suggestions I found in the latest issue of Rocky Mountain Gardener (, sent in by a gardener who lives near Nederland, CO, at 8400': Annuals include cosmos, gaillardia, zinnia, nigella, phlox, salvia, nasturtiums, sunflowers, marguerite, cockscomb, sweet pea, calendula, California poppy. Perennials and biennials include tall daylilies, veronica, tall shasta daisy, sedum, johnny jump-up, bleeding heart, iris, tulip, daffodil, gloriosa daisy, geranium, penstemon. The list goes on. I suggest that you contact Rocky Mountain Gardener, and purchase one of their gardening guides, and perhaps hook up with other high-altitude gardeners for more first-hand advice. Best of luck!

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