Mexican viper (Asarina barclaiana 'Dark Opal' syn. Maurandya barclayana 'Dark Opal')

Asarina barclaiana, also known as climbing snapdragon, is a fast-growing perennial vine with twining stems. It produces tubular, snapdragon-like flowers in shades of purple, pink, or white. Native to Mexico, it thrives in full sun to partial shade and prefers well-drained soil. Ideal for trellises or fences, it blooms from summer to fall and attracts pollinators like hummingbirds. It can reach heights of 6-10 feet (1.8-3 meters). Requires moderate watering and is hardy in USDA zones 9-11.

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