I have only grown nelumbo nucifera (sacred lotus) from seeds.
It's seeds are very hard and to scarificate it you have to use woodsmith tools.
they're making leaves at the moment and doesn't look hard to manage so far...
rOm attached the following image(s):
IMG_0788.JPG
(623kb) downloaded 61 time(s). Smell like tea n,n spirit !
Toke the toke, and walk the walk !