Geranium x ‘Rozanne’ is a perennial gem celebrated for its profusion of vibrant violet-blue flowers that adorn the garden from late spring through fall. This plant grows to a height of around 18 to 20 inches (45 to 50 cm) with a spread of 24 to 30 inches (60 to 75 cm), forming dense mounds of attractive foliage. Thriving in full sun to partial shade, ‘Rozanne’ offers its best floral display and foliage coloration when exposed to ample sunlight, making it a versatile and delightful addition to various garden settings.