Description for Nymphaea Caerulea, Hybrid Lotus (Blue) Plant height: 19 - 29 inches Plant spread: It is one of the most majestic plants to have in a water garden. It is by far the most exotic of all pond plants. They are very easy to grow once you understand the basic care of them.Nymphaea caerulea, commonly known as blue lotus or sacred blue lily of the Nile, is a tropical water lily that features day-blooming, star-shaped flowers (to 4-6 inch across), each with upright, pointed, light blue petals spread flat on the water surface. Each leaf is connected directly to the plant rhizomes by a long leaf stalk (petiole). Flowers typically bloom from July to the end of summer. Best grown in moist, acidic, humusy soils in part shade to full shade. Plants may be grown from seed, but will not flower for 4-5 years. Quicker and better results are