In Depth Look at Houseplants, Living Walls, Air Quality

Probably more than you ever wanted to know but still helpful to have around info.

House Plants, Living Walls and IAQ

Living Wall from wikiHow

I like this one because it comes from several different angles and gives the names of the best indoor plants.

How to Make a Living Wall

Hypertufa

Martha Steward has a recipe for Hypertufa. I will have to compare it to the other recipes that I have.

Martha's Hypertufa

And just for fun, Martha had a recipe for stone pots.

Stone Pots

Houseplants and Indoor Air Quality

Actually NASA made a list of the top 15.

Top Houseplants for Improving Indoor Air Quality