The Agave celsii 'Nova' plant can grow to be 3 ft. tall. Each leaf on the Agave celsii 'Nova' plant has a sharp spike at the tip, and the plant is basically round in form in the landscape. The Agave celsii 'Nova' plant looks more like a sea creature with its wide paddle-shaped leaves bordered with the closely spaced teeth. The Agave celsii 'Nova' is a great potted plant specimen that can be planted by your pool or on your patio.