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Zone 6

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If you live in Zone 6, then you should know it has a medium-length growing season, with a frost-free period lasting from mid-May to late September. States in Zone 6 include Pacific Northwest states, such as Washington and Oregon, as well as Kansas, Missouri, southern Illinois and Indiana, Ohio, Kentucky, West Virginia and southern Pennsylvania. Asters, astilbe, bee balm, cannas, coneflowers, crocus, daffodils, delphiniums, glads, hibiscus, hostas, hyacinths, irises, lilies, peonies, phlox, salvia, sedum, tulips and yarrow are among the Zone 6 plants we recommend.

Don't forget that your Zone 6 garden probably has several microclimates within it, each of which is best suited for different plant types and varieties. Take some time to determine which microclimates your yard or garden may have, whether it's an open area of your backyard that's always in direct sunlight, a shaded spot beneath a big tree, a rock-covered hill, or a marshland. With a little bit of practice, choosing the best plants for Zone 6 that will also thrive in your garden's specific microclimates will soon become second nature.

Use our growing zone finder to get more information about your exact hardiness zone.

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Spring-Planted Bulbs for Zone 6

Spring-planted bulbs that bloom during the summer can thrive in most hardiness zones. What's more, they produce some of the most vibrant colours of the year. Varieties include dahlias, lilies, gladiolus, caladium, cannas, and begonias. In cooler regions, try planting summer bulbs outdoors in pots before transferring them—once the soil is warm enough—to your garden bed or border. Most can go in the ground once the possibility of frost has passed.

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Sun Perennials for Zone 6

Sun perennials are revered for their versatility, attract pollinators to your landscape and produce countless, lovely blooms for years or even decades. No wonder these are some of the world's most popular flowers! Sun-loving perennials include roses, peonies, irises, daylilies, hibiscus, coneflowers and asters. These varieties perform best when receiving about 6-8 hours of direct sunlight per day. Without it, the plants grow poorly, and their blooms, if any emerge, are drab and lifeless.

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