The Agave marmorata is a striking succulent with large, wide, and fleshy leaves arranged in a rosette formation. Its bluish-gray leaves have a distinctive marbled appearance with bold, irregular markings, giving it a textured look. The leaves are edged with small spines and end in sharp terminal spines, making it a formidable desert plant. This slow-growing agave can reach up to 6 feet in width. Over time, it produces a tall flowering stalk with greenish-yellow flowers, after which the plant dies, leaving offsets behind.