Nymphaea 'Yellow Rainbow' Nymphaea ‘Yellow Rainbow’ Nymphaea ‘Yellow Rainbow’ is a hardy waterlily. This plant was created by Mike Giles. It has light yellow flowers with pads that are green with occasional highlights of red, dark yellow and dark green. Search for: Pages About Us Explore the IWC Through Pictures Home of the International Waterlily Collection IWC News & Information How to Grow and Propagate IWC News & Updates IWC Videos LilyFest Research Information and Articles SiteMap Waterlilies by Category Anecphya Waterlilies Brachyceras Waterlilies ISGs - Intersubgeneric Waterlilies Lotos and Hydrocallis Waterlilies Nymphaea Waterlilies Species Waterlilies Victoria