Green Smoke waterlily (Nymphaea 'Green Smoke') is perhaps the most unusually colored of all of the tropical waterlilies available. Chartreuse petals surround a bright yellow eye, the tips of each petal are blue, and the round green leaves are mottled in purple. The blooms are sweetly fragrant. This waterlily is more tolerant of cooler water temperatures than some of the other tropical waterlilies and can bloom as early as July in Chicago ponds.