Nymphaea “Hermine” Hardy from zone 4-11. Plant size: Small-miniature. flower pure white single, 3”-4” across. Has a 1’ to 2.5’ spread. Leaves are green about 3 to 4 inches across. Will grow in 6” to 2’ of water. Best to grow in about 10” to 14”. You can use a one or two gallon container to grow this one. Here is a old classic from way back. Great for smaller settings and container gardens.