Sempervivum SUPERSEMPS ‘Onyx’ is an exceptional variety of house leek known for its super-sized rosettes that can reach an impressive 20cm across. This hardy perennial showcases breathtaking geometric rosettes in a rich mahogany-black colour, making it a standout addition to any garden or container display. During the summer months, the plant sends up thick stalks adorned with vibrant pink starry flowers, adding a splash of colour to its striking dark foliage. Ideal for creative container planting, gravel gardens, or rockeries, 'Onyx' is both an architectural delight and a testament to easy-care gardening. The Sempervivum SUPERSEMPS ‘Onyx’ is not just about looks; it's also incredibly resilient. This drought-tolerant plant thrives in full sun and sharply drained, gritty soil, requiring minimal care. Its hardiness makes it suitable for both indoor and outdoor environments, providing year-round interest with its unique colour and form. Whether used as a focal point in