I got most of mine from other members on an Aussie fish forum, very generous plant packs from people's tank trimmings and so on. Saved myself a ton of money.
I just had to share this. My little bit of blyxa has done ---nothing--- for weeks and weeks. I mentioned it on this thread.. gave it a good 'talking to' since I remembered it was there and being 'lazy' --- and it's shot up about four inches overnight, lol!
Talking to aquatic plants works, it seems!