Beautiful! My Argentine Giant (echinopsis candicans) cactus flowers have opened this evening. I took this photo at a little after six this evening. These flowers will still be open in the morning, but will fade soon after. This is our once-a-year blooming for this cactus we installed shortly after having the place landscaped in 2011. The three pods last evening were still unopened, but the flowers showed up late today. Click on the image to enlarge.