Salvia patens cv. with Agave parryi var. truncata in the background:
Lobelia tupa has been enjoying the heat with nary a wilt or pause in blooming:
Geranium 'Rozanne' is a bit drought resistant but still needs some summer water to keep the profusion of blooms from stalling:
A red flowered yucca! Not really - just the flowers of Campsis x tagliabuana 'Madame Galen' peaking through the leaves of Yucca recurvifolia 'Margaritaville'.
Coreopsis 'Mercury Rising' keeps on blooming and blooming:
A Dahlia cultivar the name of which I have lost track. This one has been getting by with surprisingly little summer water, although the dry weather has delayed and limited blooming a bit: