Sempervivum 'Thunder' is a captivating perennial succulent known for its rosette-forming habit and vibrant color variations that change with the seasons. It thrives in a variety of conditions and is recommended for USDA hardiness zones 3 through 8, showing remarkable resilience to cold and heat. 'Thunder' prefers temperatures ranging from 20°F to 80°F, making it an ideal choice for a wide range of climates. Its foliage transitions from reds to greens, often with deep purple tips, providing year-round visual interest. This drought-tolerant plant is also noted for its deer resistance, making it a low-maintenance addition to rock gardens and containers. It typically reaches a height of 4 inches but can spread up to 12 inches, creating a stunning carpet of texture and color.