Answer: There are many flowering perennials that are drought resistant and adaptable to high elevation gardens. Plants with a silvery foliage such as Artemisia, catmint, and perovskia (Russian Sage) are usually drought resistant. Soapwort, Sedum varieties, thymes varieties, mints, oreganos, catnip, Marjoram, sage, hyssop, and savory are also drought resistant. Flowers include Sunflowers, Mexican sunflower, Silver Lace Vine, Oriental and Shirley Poppies, Sea Lavender, Salvias, Penstemon, Lamium, Iris, Daylily, Coreopsis, Echinacea, Black-eyed Susan, Bachelor button, and Baby?s breath.
Also, try these perennials - Arizona columbine, Artemisias, Asters, Baby's Breath, Columbine, Coreopsis, Delphinium, Echinacea, Gaillardia, Gayfeather, Iris, Lamb's Ears, Lavender, Pansy, Perennial Flax, Mallows, Purple Coneflower, red Valerian, Sage, Sedums, Succulents, Statice, Sweet William, Tulips and crocuses, Yarrow, and Yucca.
Annuals: Cosmos, Desert Dragon, Marigold, Mexican Sunflower, Phlox, Portulacca, Rose Campion, Santolina, Vinca, and Zinnias.
Drought resistant shrubs include: Butterfly bush, Bayberry, Japanese black pine, Cinquefoil, Fragrant zumac, Mountain currant, Sassafras, Honeysuckle, Witch hazel, Rugosa roses, Smoke tree, Snowberry, Spirea, Lilac, Heather and Washington hawthorne.
With the above choices I'm sure you will have a beautiful garden. Enjoy!
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