Purple Waffle Plant (Hemigraphis alternata) - to 6", This eye-catching house plant has small, oblong leaves that are dark green to nearly purple.  The puckered leaves have maroon undersides that add a colorful accent.  Its best coloration is when it's grown in bright light, but it should not have direct sunlight. It's a low-growing plant that spreads into a wide carpet.  A live plant in a 3" pot - $15 each or 3 for $42.75 - You save $2.25!