Foolproof Winter-Hardy Tropical Plants

Many of the plants that project the tropical look aren't winter hardy below 15 to 20 degrees (USDA Zone 8). Here are some beauties that can go as low as Zone 6 or 7.

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Summer Cannas
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Canna

Valued for its wide range of foliage and flower colors, this well-loved plant adds a colorful, tropical flair to any garden but also bold texture and height. Foliage colors range from solid greens to blacks to variegations combining a wide range of sizzling hot colors, including red, pink, yellow and orange. Flower colors range from white, red, orange, yellow, pink and bicolors. Typically blooms from July to October. Plant size is 2 to 6 feet tall and wide, depending on cultivar; there are dwarf and giant cannas as well. Treat as an herbaceous perennial in warmer climates. Dig rhizomes for overwintering indoors in USDA Zones 3 to 6 — or for added winter protection, heavily mulch plants in Zones 6 to 7. Image courtesy of Plant Delights.

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