Saguaro NP| Black & White But Green All Over July 16, 2015 · by ancestreats · in Rachael. · Q) What’s black and white but green all over? A) This blooming cactus in Saguaro National Park West, in Tucson, Arizona. Henry Horenstein, if you are out there, I hope you like this image. Share this:EmailTwitterFacebookPinterestTumblrLike this:Like Loading... Related