Corkscrew Flower (Vigna caracalla) is a rapid-growing tropical vine from Central and South America that produces some of the most unusual and fragrant blooms you'll encounter in a warm-climate garden. From July through October, it generates spirally twisted flowers in white and lilac-purple, each stretching about 2 inches long, arranged on elegant upright flower spikes that can reach 12 inches tall. Hardy in zones 9-12, this perennial vine climbs to 12 feet or more and thrives in full sun with moderate water, attracting butterflies and birds with its distinctive fragrance and showy flowers. In frost-free climates it grows as an evergreen; in cooler regions, grow it in containers and bring indoors for winter.
Full Sun
Moderate
9-12
360in H x 72in W
—
Low
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The flowers themselves are the real draw here, each one twisted into a perfect spiral that resembles a snail shell, hence another common name: snail flower. They emerge in upright clusters that tower above the foliage and fill the air with fragrance, especially on warm days. Once established and given a strategic pruning to encourage flowering, this vine produces blooms generously throughout the warm months, and the combination of that unusual spiral shape with soft lilac and white coloring creates a genuinely conversation-starting display in any warm garden.
Corkscrew Flower is grown primarily as an ornamental vine for its stunning spiral blooms and fragrance. It functions well as a screen, trellis cover, or focal point in warm-climate gardens where its climbing growth habit can be directed along fences, arbors, or vertical structures.
No timeline data available yet for this variety.
Corkscrew Flower can be started from seed indoors relatively easily, though specific temperature and timing details are not provided in the available sources. Transplant seedlings to containers or outdoors after the last frost date.
Transplant seedlings outdoors after all danger of frost has passed, in spring or early summer. This vine needs a support structure on which to grow, so position it near a trellis, fence, or arbor at planting time.
Once Corkscrew Flower has matured and covered the area intended for it, cut back the leaves and tendrils to trigger the onset of significant flowering. This strategic pruning is essential for encouraging abundant blooms, as the vine will naturally focus energy on vegetative growth without this intervention.
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“Vigna caracalla is native to tropical regions of Central and South America, where it grows as a perennial vine in warm, moist conditions. The plant has been cultivated in ornamental gardens for centuries, prized specifically for its unusually spiraled flowers that resemble both snail shells and the grooves of a corkscrew, earning it multiple common names across different growing regions and eras.”