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Summer Flowers That Come Back Year After Year in South Carolina

A number of perennial flowers grow native to South Carolina -- species that come back year after year in your wildflower gardens, perennial borders or in naturalized areas. Some of these South Carolina perennials, adapted to the region's summer humidity and the Palmetto State's growing conditions, bloom during the summer, adding color to your landscape long after spring flowers fade. These plants are cold hardy to winter temperatures as low as zero degrees Fahrenheit, which occasionally occur in the northwestern half of South Carolina -- part of USDA Plant Hardiness zone 7.

  1. Garden Phlox

    • Garden phlox (Phlox paniculata), known also as summer phlox, grows to heights of 4 feet throughout its large growing range, which includes South Carolina. Garden phlox is a perennial that rejuvenates every year from its own rootstock, according to Floridata. The wildflower has multiple cultivated forms. Garden phlox will bloom throughout the summer and often its blooming period stretches into early autumn. Garden phlox produces white to purplish flowers in the native forms. The flowers are aromatic. Plant garden phlox in your perennial borders or use the species in flowerbeds in South Carolina.

    Butterfly Weed

    • Resist transplanting butterfly weed (Asclepias tuberose) once you establish this native South Carolina perennial; its lengthy taproot makes it problematic when you try to relocate the plant. Butterfly weed emerges in several types of natural settings including fields, glades and open woodlands. Its ability to attract butterflies with its handsome yellow-orange summer flowers makes it a species to use in butterfly gardens and in locations where you can easily see it. Butterfly weed tolerates dry periods and it grows in poor soils, according to the Missouri Botanical Garden. This South Carolina plant grows in clumps to heights of 3 feet.

    Purple-Headed Sneezeweed

    • South Carolina is just a small part of the vast range of the purple-headed sneezeweed (Helenium flexuosum), a plant found across the East and the Midwest. Purple-headed sneezeweed grows to 3 feet, blooming from August into October. The species features yellow rays on its flower surrounding a brownish disk. Purple-headed sneezeweed is appropriate for wildflower and cottage gardens. Plant it in moist areas of your property as it requires damp soil in which to grow.

    Great Blue Lobelia

    • Great blue lobelia (Lobelia siphilitica) has no tolerance for drought, so grow it in damp areas. The species rewards you with late summer color, as it blooms into September. Great blue lobelia in the wild occurs near waterways and in damp meadows. Growing to 3 feet, an erect stem features its blue flowers in clusters at its top. South Carolina is at the southern end of this perennial's range. Great blue lobelia is an option for wildflower gardens and plantings near any water on your acreage.