Tucson is getting hotter now, so I found a shady spot on the patio of the Research Center on Tumamoc Hill and painted the courtyard. I've painted this area several times in different seasons. As we move into the hottest, driest time of the year, I notice a lot of plants are shriveling up and going into drought dormancy. The brittle bush which was vibrant with flowers just a few weeks ago, are now just brown leafless twigs. The Foothills Palo Verde trees are in the final weeks of flowering as are the cholla.