Add our beautiful Calathea Freddie Calathea concinna 'Freddie') to your plant collection. Its gorgeous leaves look as if Monet has painted them with brush strokes on a silvery gray sky! This prayer plant moves its leaves at night. It's almost like getting a new plant in the evenings to see the colorful underside of the leaves as they rise upwards. Expect your calathea to grow to 2 feet tall and wide.