Pond Boss Forums AQUATIC VEGETATION Identifying plants Hardy vs tropical water lilly

The main difference is the tropical water lilies do not tolerate water temperatures below 60F; primarily for plant zones 8-10. Tropicals have more colors, especially nice blues, compared to hardy hybrids. Most tropicals are more fragrant. Tropicals will bloom mostly in afternoon evening and night compared to hardy varieties that bloom mostly early, mid morning and close mid to late afternoon; vary rarely early evening. Regarding size and rate of spread do some due diligence and read about the specifics of each variety.