You Will Get 5 Seeds Nymphaea Pubescens White Water Lily. This great plant gets typical water lily leaves, and white flowers that stand above the surface of the water.. The plants can be grown in water from 12 to 36 inches deep or so and they like warm water for fastest growth and best blooming.. This White Water Lily is hardy to USDA zone 9, and prefers full sun, but will tolerate light shade.