According to Slocum and Robinson (Water Gardening: Water Lilies and Lotuses), 'Helvola' is likely a hybrid, Nymphaea tetragona ...Read Morex N. mexicana.
Cedarhome, WA (Zone 8b) | November 2009 | positive
I've had this in a gallon container since 2004 and it has not multiplied very much. Very small dainty yellow flowers all summer, but spa...Read Morersely (usually only one bloom at a time). Does quite well in my tiny pond, well suited to the size.
According to Slocum and Robinson (Water Gardening: Water Lilies and Lotuses), 'Helvola' is likely a hybrid, Nymphaea tetragona ...Read More.
I've had this in a gallon container since 2004 and it has not multiplied very much. Very small dainty yellow flowers all summer, but spa...Read More
Lovely, very small lily. Grows well but maintains small spread.