Many houseplants are toxic to pets but oat- or wheatgrass is safe. Try
making a little "mat" that can be used as a centerpiece or accent in
front of a fireplace by filling a large jellyroll pan with potting mix
and wheatgrass seeds: http://www.montereyherald.com/mld/montereyherald/living/14893467.htm.
- contributed by D. Hannah