Tradescantia 'Zwanenburg Blue' is a striking perennial known for its clumping habit and vivid blue flowers. It thrives in hardiness zones 4 through 9, making it quite adaptable to a range of climates. Ideally, it should be grown in environments where temperatures don't regularly drop below -30°F (-34°C) during winter, as it prefers temperate conditions. This variety is popular for its glossy, lance-shaped green leaves and rich, eye-catching blue blooms that appear in late spring to summer. Tradescantia 'Zwanenburg Blue' typically reaches a height of 12 to 18 inches, creating a captivating display in garden beds or containers. Gardeners will appreciate it not only for its beauty but also for its moderate resistance to deer, minimizing unwelcome garden visitors.