Nymphaea “NympheaOdorato“ Hardy from zone 4-11. Plant Size: Large. Its own species native to North America, flower pure white, 4“- 8“ across. Has a 4'-10' spread. Leaves are green. Will grow in 6“ to 3' of water. Best to grow in 1.5“- 2“ of water. You can use a 2 to 5 gallon container for this one. Will grow and spread well in an earthen pond. I think it's the best white hardy. One of the best hardy bloomers and growers. Starts off growing earlier than most other varieties. Very fragrant and will grow in shade. Full sun