Tillandsia Moss A tillandsia needs lots of sunlight and to be watered two to three times a week to flourish. Aside from that, it gets all of its necessary nutrients though moisture in the air and when taken care of, will really go to work to reduce humidity. Check out this tillandsia from Home Depot ($64). Image Source: homedepot.com tillandsia from Home Depot $64 from homedepot.com Buy Now