Petsmart has awesome plant deals going on right now, at least the one in Leesburg, VA. I think their deals are until next week.

Here are prices (per bunch):

Moneywort - 57 cents

Green & White Acorus - 57 cents

Water Wisteria - 77 cents

Anacharis - 67 cents

Mondo Grass - 57 cents

Bamboo plant (not fully submerged) - 67 cents